16102162921 has 32 divisors (see below), whose sum is σ = 18865486080. Its totient is φ = 13615257600.

The previous prime is 16102162919. The next prime is 16102162949. The reversal of 16102162921 is 12926120161.

It is a cyclic number.

It is not a de Polignac number, because 16102162921 - 2¹ = 16102162919 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16102162981) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1137316 + ... + 1151386.

It is an arithmetic number, because the mean of its divisors is an integer number (589546440).

Almost surely, 2^16102162921 is an apocalyptic number.

It is an amenable number.

16102162921 is a deficient number, since it is larger than the sum of its proper divisors (2763323159).

16102162921 is a wasteful number, since it uses less digits than its factorization.

16102162921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14257.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 16102162921 in words is "sixteen billion, one hundred two million, one hundred sixty-two thousand, nine hundred twenty-one".