1161606204504 has 96 divisors (see below), whose sum is σ = 3226927875600. Its totient is φ = 377360259840.

The previous prime is 1161606204487. The next prime is 1161606204557. The reversal of 1161606204504 is 4054026061611.

1161606204504 is a `hidden beast` number, since 1 + 1 + 6 + 1 + 606 + 2 + 0 + 45 + 0 + 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 23 ways as a sum of consecutive naturals, for example, 734494 + ... + 1691949.

Almost surely, 2^{1161606204504} is an apocalyptic number.

It is an amenable number.

1161606204504 is an abundant number, since it is smaller than the sum of its proper divisors (2065321671096).

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

1161606204504 is a wasteful number, since it uses less digits than its factorization.

1161606204504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2426625 (or 2426618 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 1161606204504 in words is "one trillion, one hundred sixty-one billion, six hundred six million, two hundred four thousand, five hundred four".