16515651055 has 16 divisors (see below), whose sum is σ = 20685792960. Its totient is φ = 12634809088.

The previous prime is 16515651049. The next prime is 16515651073. The reversal of 16515651055 is 55015651561.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-16515651055 is a prime.

It is a super-2 number, since 2×16515651055² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 16515650999 and 16515651017.

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, 490749 + ... + 523321.

It is an arithmetic number, because the mean of its divisors is an integer number (1292862060).

Almost surely, 2^16515651055 is an apocalyptic number.

16515651055 is a deficient number, since it is larger than the sum of its proper divisors (4170141905).

16515651055 is a wasteful number, since it uses less digits than its factorization.

16515651055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37010.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 16515651055 in words is "sixteen billion, five hundred fifteen million, six hundred fifty-one thousand, fifty-five".