1620073513360 has 40 divisors (see below), whose sum is σ = 3766748093496. Its totient is φ = 648016128000.

The previous prime is 1620073513301. The next prime is 1620073513363. The reversal of 1620073513360 is 633153700261.

It can be written as a sum of positive squares in 4 ways, for example, as 60382249984 + 1559691263376 = 245728^2 + 1248876^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1620073513360² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1620073513363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4340872 + ... + 4699288.

Almost surely, 2^{1620073513360} is an apocalyptic number.

1620073513360 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1620073513360 is an abundant number, since it is smaller than the sum of its proper divisors (2146674580136).

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

1620073513360 is a wasteful number, since it uses less digits than its factorization.

1620073513360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414931 (or 414925 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 37.

The spelling of 1620073513360 in words is "one trillion, six hundred twenty billion, seventy-three million, five hundred thirteen thousand, three hundred sixty".