1046664531 has 32 divisors (see below), whose sum is σ = 1704960000. Its totient is φ = 629324640.

The previous prime is 1046664527. The next prime is 1046664559. The reversal of 1046664531 is 1354666401.

It is a happy number.

It is not a de Polignac number, because 1046664531 - 2² = 1046664527 is a prime.

It is a super-2 number, since 2×1046664531² = 2191013280906899922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1046664631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23845 + ... + 51593.

It is an arithmetic number, because the mean of its divisors is an integer number (53280000).

Almost surely, 2^1046664531 is an apocalyptic number.

1046664531 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1046664531 is a deficient number, since it is larger than the sum of its proper divisors (658295469).

1046664531 is a wasteful number, since it uses less digits than its factorization.

1046664531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27896 (or 27890 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 1046664531 is about 32352.1951496340. The cubic root of 1046664531 is about 1015.3189743843.

The spelling of 1046664531 in words is "one billion, forty-six million, six hundred sixty-four thousand, five hundred thirty-one".