16002491855 has 16 divisors (see below), whose sum is σ = 21952611840. Its totient is φ = 10969968672.

The previous prime is 16002491849. The next prime is 16002491861. The reversal of 16002491855 is 55819420061.

It is an interprime number because it is at equal distance from previous prime (16002491849) and next prime (16002491861).

It is a cyclic number.

It is not a de Polignac number, because 16002491855 - 2⁸ = 16002491599 is a prime.

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, 60332 + ... + 188798.

It is an arithmetic number, because the mean of its divisors is an integer number (1372038240).

Almost surely, 2^16002491855 is an apocalyptic number.

16002491855 is a deficient number, since it is larger than the sum of its proper divisors (5950119985).

16002491855 is a wasteful number, since it uses less digits than its factorization.

16002491855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132038.

The product of its (nonzero) digits is 86400, while the sum is 41.

The spelling of 16002491855 in words is "sixteen billion, two million, four hundred ninety-one thousand, eight hundred fifty-five".