36156556642 has 8 divisors (see below), whose sum is σ = 54238225500. Its totient is φ = 18077148144.

The previous prime is 36156556637. The next prime is 36156556663. The reversal of 36156556642 is 24665565163.

It can be written as a sum of positive squares in 2 ways, for example, as 24451264161 + 11705292481 = 156369^2 + 108191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 524517 + ... + 589432.

Almost surely, 2^36156556642 is an apocalyptic number.

36156556642 is a deficient number, since it is larger than the sum of its proper divisors (18081668858).

36156556642 is a wasteful number, since it uses less digits than its factorization.

36156556642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130180.

The product of its digits is 3888000, while the sum is 49.

The spelling of 36156556642 in words is "thirty-six billion, one hundred fifty-six million, five hundred fifty-six thousand, six hundred forty-two".