16505656151 has 8 divisors (see below), whose sum is σ = 17104401024. Its totient is φ = 15911055360.

The previous prime is 16505656103. The next prime is 16505656163. The reversal of 16505656151 is 15165650561.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 16505656151 - 2⁶ = 16505656087 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16505656099 and 16505656108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16505656171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1027910 + ... + 1043843.

It is an arithmetic number, because the mean of its divisors is an integer number (2138050128).

Almost surely, 2^16505656151 is an apocalyptic number.

16505656151 is a deficient number, since it is larger than the sum of its proper divisors (598744873).

16505656151 is a wasteful number, since it uses less digits than its factorization.

16505656151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072041.

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 16505656151 in words is "sixteen billion, five hundred five million, six hundred fifty-six thousand, one hundred fifty-one".