16312772 has 24 divisors (see below), whose sum is σ = 32711616. Its totient is φ = 6972768.

The previous prime is 16312763. The next prime is 16312787. The reversal of 16312772 is 27721361.

It is a super-2 number, since 2×16312772² = 532213060647968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18698 + ... + 19550.

It is an arithmetic number, because the mean of its divisors is an integer number (1362984).

Almost surely, 2^16312772 is an apocalyptic number.

It is an amenable number.

16312772 is an abundant number, since it is smaller than the sum of its proper divisors (16398844).

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

16312772 is a wasteful number, since it uses less digits than its factorization.

16312772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547 (or 1545 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 16312772 is about 4038.9072779652. The cubic root of 16312772 is about 253.6155757068.

The spelling of 16312772 in words is "sixteen million, three hundred twelve thousand, seven hundred seventy-two".