264146631 has 16 divisors (see below), whose sum is σ = 408025344. Its totient is φ = 148872384.

The previous prime is 264146621. The next prime is 264146657. The reversal of 264146631 is 136641462.

It is not a de Polignac number, because 264146631 - 2⁷ = 264146503 is a prime.

It is a super-2 number, since 2×264146631² = 139546885337300322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 264146592 and 264146601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264146611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 84621 + ... + 87686.

It is an arithmetic number, because the mean of its divisors is an integer number (25501584).

Almost surely, 2^264146631 is an apocalyptic number.

264146631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

264146631 is a deficient number, since it is larger than the sum of its proper divisors (143878713).

264146631 is a wasteful number, since it uses less digits than its factorization.

264146631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172390.

The product of its digits is 20736, while the sum is 33.

The square root of 264146631 is about 16252.5884399993. The cubic root of 264146631 is about 641.6256126955.

The spelling of 264146631 in words is "two hundred sixty-four million, one hundred forty-six thousand, six hundred thirty-one".