1611996264 has 48 divisors (see below), whose sum is σ = 4421102400. Its totient is φ = 530528544.

The previous prime is 1611996257. The next prime is 1611996299. The reversal of 1611996264 is 4626991161.

It is a happy number.

1611996264 is a `hidden beast` number, since 1 + 6 + 1 + 19 + 9 + 626 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 136014 + ... + 147389.

It is an arithmetic number, because the mean of its divisors is an integer number (92106300).

Almost surely, 2^1611996264 is an apocalyptic number.

It is an amenable number.

1611996264 is an abundant number, since it is smaller than the sum of its proper divisors (2809106136).

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

1611996264 is a wasteful number, since it uses less digits than its factorization.

1611996264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 283494 (or 283487 counting only the distinct ones).

The product of its digits is 139968, while the sum is 45.

The square root of 1611996264 is about 40149.6732738885. The cubic root of 1611996264 is about 1172.5229274646.

The spelling of 1611996264 in words is "one billion, six hundred eleven million, nine hundred ninety-six thousand, two hundred sixty-four".