1610264664 has 64 divisors (see below), whose sum is σ = 4536000000. Its totient is φ = 529189920.

The previous prime is 1610264563. The next prime is 1610264681. The reversal of 1610264664 is 4664620161.

1610264664 is a `hidden beast` number, since 1 + 6 + 1 + 0 + 2 + 646 + 6 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37164 + ... + 67835.

It is an arithmetic number, because the mean of its divisors is an integer number (70875000).

Almost surely, 2^1610264664 is an apocalyptic number.

It is an amenable number.

1610264664 is an abundant number, since it is smaller than the sum of its proper divisors (2925735336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1610264664 is a wasteful number, since it uses less digits than its factorization.

1610264664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105085 (or 105075 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1610264664 is about 40128.1031697238. The cubic root of 1610264664 is about 1172.1029372171.

The spelling of 1610264664 in words is "one billion, six hundred ten million, two hundred sixty-four thousand, six hundred sixty-four".