664062236 has 24 divisors (see below), whose sum is σ = 1256339280. Its totient is φ = 306052992.

The previous prime is 664062221. The next prime is 664062247. The reversal of 664062236 is 632260466.

It is a junction number, because it is equal to n+sod(n) for n = 664062196 and 664062205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 115265 + ... + 120888.

It is an arithmetic number, because the mean of its divisors is an integer number (52347470).

Almost surely, 2^664062236 is an apocalyptic number.

It is an amenable number.

664062236 is a deficient number, since it is larger than the sum of its proper divisors (592277044).

664062236 is a wasteful number, since it uses less digits than its factorization.

664062236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236213 (or 236211 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 664062236 is about 25769.4050377575. The cubic root of 664062236 is about 872.4413902497.

The spelling of 664062236 in words is "six hundred sixty-four million, sixty-two thousand, two hundred thirty-six".