16070620321620 has 120 divisors (see below), whose sum is σ = 50601545656200. Its totient is φ = 4269567414528.

The previous prime is 16070620321607. The next prime is 16070620321633. The reversal of 16070620321620 is 2612302607061.

16070620321620 is a `hidden beast` number, since 1 + 6 + 0 + 7 + 0 + 6 + 2 + 0 + 3 + 21 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (16070620321607) and next prime (16070620321633).

It can be written as a sum of positive squares in 4 ways, for example, as 475719196176 + 15594901125444 = 689724^2 + 3949038^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18003135 + ... + 18874694.

It is an arithmetic number, because the mean of its divisors is an integer number (421679547135).

Almost surely, 2^{16070620321620} is an apocalyptic number.

16070620321620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

16070620321620 is an abundant number, since it is smaller than the sum of its proper divisors (34530925334580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16070620321620 is a wasteful number, since it uses less digits than its factorization.

16070620321620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36878119 (or 36878108 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

Adding to 16070620321620 its reverse (2612302607061), we get a palindrome (18682922928681).

The spelling of 16070620321620 in words is "sixteen trillion, seventy billion, six hundred twenty million, three hundred twenty-one thousand, six hundred twenty".