1612072564 has 6 divisors (see below), whose sum is σ = 2821126994. Its totient is φ = 806036280.

The previous prime is 1612072523. The next prime is 1612072591. The reversal of 1612072564 is 4652702161.

It can be written as a sum of positive squares in only one way, i.e., 1585632400 + 26440164 = 39820^2 + 5142^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201509067 + ... + 201509074.

Almost surely, 2^1612072564 is an apocalyptic number.

It is an amenable number.

1612072564 is a deficient number, since it is larger than the sum of its proper divisors (1209054430).

1612072564 is a wasteful number, since it uses less digits than its factorization.

1612072564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403018145 (or 403018143 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 1612072564 is about 40150.6234571769. The cubic root of 1612072564 is about 1172.5414266986.

The spelling of 1612072564 in words is "one billion, six hundred twelve million, seventy-two thousand, five hundred sixty-four".