1613163564 has 36 divisors (see below), whose sum is σ = 4083394224. Its totient is φ = 536972832.

The previous prime is 1613163551. The next prime is 1613163571. The reversal of 1613163564 is 4653613161.

1613163564 is a `hidden beast` number, since 1 + 6 + 1 + 31 + 63 + 564 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4647 + ... + 56990.

Almost surely, 2^1613163564 is an apocalyptic number.

It is an amenable number.

1613163564 is an abundant number, since it is smaller than the sum of its proper divisors (2470230660).

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

1613163564 is a wasteful number, since it uses less digits than its factorization.

1613163564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62374 (or 62369 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 1613163564 is about 40164.2074987171. The cubic root of 1613163564 is about 1172.8058801005.

The spelling of 1613163564 in words is "one billion, six hundred thirteen million, one hundred sixty-three thousand, five hundred sixty-four".