1664012462 has 48 divisors (see below), whose sum is σ = 3101885280. Its totient is φ = 665183232.

The previous prime is 1664012447. The next prime is 1664012501. The reversal of 1664012462 is 2642104661.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183839 + ... + 192677.

It is an arithmetic number, because the mean of its divisors is an integer number (64622610).

Almost surely, 2^1664012462 is an apocalyptic number.

1664012462 is a deficient number, since it is larger than the sum of its proper divisors (1437872818).

1664012462 is a wasteful number, since it uses less digits than its factorization.

1664012462 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985 (or 8978 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 1664012462 is about 40792.3088584110. The cubic root of 1664012462 is about 1185.0013855788.

The spelling of 1664012462 in words is "one billion, six hundred sixty-four million, twelve thousand, four hundred sixty-two".