16035641556 has 48 divisors (see below), whose sum is σ = 40825451520. Its totient is φ = 4858397920.

The previous prime is 16035641507. The next prime is 16035641659. The reversal of 16035641556 is 65514653061.

It is a super-2 number, since 2×16035641556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1292575 + ... + 1304921.

It is an arithmetic number, because the mean of its divisors is an integer number (850530240).

Almost surely, 2^16035641556 is an apocalyptic number.

It is an amenable number.

16035641556 is an abundant number, since it is smaller than the sum of its proper divisors (24789809964).

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

16035641556 is a wasteful number, since it uses less digits than its factorization.

16035641556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22204 (or 22202 counting only the distinct ones).

The product of its (nonzero) digits is 324000, while the sum is 42.

The spelling of 16035641556 in words is "sixteen billion, thirty-five million, six hundred forty-one thousand, five hundred fifty-six".