36665990402 has 16 divisors (see below), whose sum is σ = 55298116800. Its totient is φ = 18233555760.

The previous prime is 36665990401. The next prime is 36665990423. The reversal of 36665990402 is 20409956663.

It is a super-2 number, since 2×36665990402² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (36665990401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204752 + ... + 339492.

It is an arithmetic number, because the mean of its divisors is an integer number (3456132300).

Almost surely, 2^36665990402 is an apocalyptic number.

36665990402 is a deficient number, since it is larger than the sum of its proper divisors (18632126398).

36665990402 is a wasteful number, since it uses less digits than its factorization.

36665990402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135481.

The product of its (nonzero) digits is 2099520, while the sum is 50.

The spelling of 36665990402 in words is "thirty-six billion, six hundred sixty-five million, nine hundred ninety thousand, four hundred two".