36661474225 has 48 divisors (see below), whose sum is σ = 48540196800. Its totient is φ = 27389214720.

The previous prime is 36661474139. The next prime is 36661474277. The reversal of 36661474225 is 52247416663.

It is not a de Polignac number, because 36661474225 - 2¹⁷ = 36661343153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10357506 + ... + 10361044.

It is an arithmetic number, because the mean of its divisors is an integer number (1011254100).

Almost surely, 2^36661474225 is an apocalyptic number.

It is an amenable number.

36661474225 is a deficient number, since it is larger than the sum of its proper divisors (11878722575).

36661474225 is a wasteful number, since it uses less digits than its factorization.

36661474225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3874 (or 3869 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 46.

The spelling of 36661474225 in words is "thirty-six billion, six hundred sixty-one million, four hundred seventy-four thousand, two hundred twenty-five".