451316916 has 36 divisors (see below), whose sum is σ = 1142092224. Its totient is φ = 150272400.

The previous prime is 451316903. The next prime is 451316917. The reversal of 451316916 is 619613154.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (451316917) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28501 + ... + 41411.

It is an arithmetic number, because the mean of its divisors is an integer number (31724784).

Almost surely, 2^451316916 is an apocalyptic number.

It is an amenable number.

451316916 is an abundant number, since it is smaller than the sum of its proper divisors (690775308).

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

451316916 is a wasteful number, since it uses less digits than its factorization.

451316916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13892 (or 13887 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 451316916 is about 21244.2207670698. The cubic root of 451316916 is about 767.0562341091.

The spelling of 451316916 in words is "four hundred fifty-one million, three hundred sixteen thousand, nine hundred sixteen".