36261167220 has 72 divisors (see below), whose sum is σ = 110011670496. Its totient is φ = 9667933632.

The previous prime is 36261167209. The next prime is 36261167281. The reversal of 36261167220 is 2276116263.

36261167220 is a `hidden beast` number, since 3 + 626 + 1 + 1 + 6 + 7 + 2 + 20 = 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, 1253439 + ... + 1282041.

It is an arithmetic number, because the mean of its divisors is an integer number (1527939868).

Almost surely, 2^36261167220 is an apocalyptic number.

36261167220 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36261167220 is an abundant number, since it is smaller than the sum of its proper divisors (73750503276).

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

36261167220 is a wasteful number, since it uses less digits than its factorization.

36261167220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35661 (or 35656 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 36261167220 in words is "thirty-six billion, two hundred sixty-one million, one hundred sixty-seven thousand, two hundred twenty".