36661263552 has 70 divisors (see below), whose sum is σ = 108675485468. Its totient is φ = 12220419456.

The previous prime is 36661263547. The next prime is 36661263599. The reversal of 36661263552 is 25536216663.

It is a junction number, because it is equal to n+sod(n) for n = 36661263498 and 36661263507.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 3530818 + ... + 3541185.

Almost surely, 2^36661263552 is an apocalyptic number.

36661263552 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

36661263552 is an abundant number, since it is smaller than the sum of its proper divisors (72014221916).

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

36661263552 is an equidigital number, since it uses as much as digits as its factorization.

36661263552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7072027 (or 7072008 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 36661263552 in words is "thirty-six billion, six hundred sixty-one million, two hundred sixty-three thousand, five hundred fifty-two".