16506146264 has 16 divisors (see below), whose sum is σ = 31410951000. Its totient is φ = 8129892672.

The previous prime is 16506146231. The next prime is 16506146287. The reversal of 16506146264 is 46264160561.

It is a super-2 number, since 2×16506146264² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15396989 + ... + 15398060.

Almost surely, 2^16506146264 is an apocalyptic number.

It is an amenable number.

16506146264 is a deficient number, since it is larger than the sum of its proper divisors (14904804736).

16506146264 is a wasteful number, since it uses less digits than its factorization.

16506146264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30795122 (or 30795118 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 16506146264 in words is "sixteen billion, five hundred six million, one hundred forty-six thousand, two hundred sixty-four".