16251264 has 48 divisors (see below), whose sum is σ = 46768020. Its totient is φ = 5416704.

The previous prime is 16251259. The next prime is 16251299. The reversal of 16251264 is 46215261.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5902 + ... + 8205.

Almost surely, 2^16251264 is an apocalyptic number.

It is an amenable number.

16251264 is an abundant number, since it is smaller than the sum of its proper divisors (30516756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16251264 is a wasteful number, since it uses less digits than its factorization.

16251264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14127 (or 14112 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 16251264 is about 4031.2856510051. The cubic root of 16251264 is about 253.2964181360.

The spelling of 16251264 in words is "sixteen million, two hundred fifty-one thousand, two hundred sixty-four".