16153561063444 has 24 divisors (see below), whose sum is σ = 32307214032128. Its totient is φ = 6922935047520.

The previous prime is 16153561063441. The next prime is 16153561063459. The reversal of 16153561063444 is 44436016535161.

It is a super-2 number, since 2×16153561063444² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16153561063441) 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, 13715302 + ... + 14846434.

Almost surely, 2^{16153561063444} is an apocalyptic number.

16153561063444 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16153561063444 is an abundant number, since it is smaller than the sum of its proper divisors (16153652968684).

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

16153561063444 is a wasteful number, since it uses less digits than its factorization.

16153561063444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1641175 (or 1641173 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 49.

The spelling of 16153561063444 in words is "sixteen trillion, one hundred fifty-three billion, five hundred sixty-one million, sixty-three thousand, four hundred forty-four".