11612156646 has 64 divisors (see below), whose sum is σ = 24751147968. Its totient is φ = 3619319808.

The previous prime is 11612156599. The next prime is 11612156693. The reversal of 11612156646 is 64665121611.

It is a happy number.

11612156646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11612156599) and next prime (11612156693).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17782456 + ... + 17783108.

It is an arithmetic number, because the mean of its divisors is an integer number (386736687).

Almost surely, 2^11612156646 is an apocalyptic number.

11612156646 is an abundant number, since it is smaller than the sum of its proper divisors (13138991322).

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

11612156646 is a wasteful number, since it uses less digits than its factorization.

11612156646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545.

The product of its digits is 51840, while the sum is 39.

The spelling of 11612156646 in words is "eleven billion, six hundred twelve million, one hundred fifty-six thousand, six hundred forty-six".