1232571664 has 45 divisors (see below), whose sum is σ = 2442930231. Its totient is φ = 602453280.

The previous prime is 1232571649. The next prime is 1232571671. The reversal of 1232571664 is 4661752321.

The square root of 1232571664 is 35108.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 9408879 + ... + 9409009.

Almost surely, 2^1232571664 is an apocalyptic number.

1232571664 is the 35108-th square number.

It is an amenable number.

1232571664 is a deficient number, since it is larger than the sum of its proper divisors (1210358567).

1232571664 is an frugal number, since it uses more digits than its factorization.

1232571664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404 (or 200 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The cubic root of 1232571664 is about 1072.1874672145.

It can be divided in two parts, 1232571 and 664, that added together give a triangular number (1233235 = T₁₅₇₀).

The spelling of 1232571664 in words is "one billion, two hundred thirty-two million, five hundred seventy-one thousand, six hundred sixty-four".