36666851652 has 18 divisors (see below), whose sum is σ = 92685652878. Its totient is φ = 12222283872.

The previous prime is 36666851629. The next prime is 36666851657. The reversal of 36666851652 is 25615866663.

It can be written as a sum of positive squares in only one way, i.e., 36544439556 + 122412096 = 191166^2 + 11064^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (36666851657) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 509261793 + ... + 509261864.

Almost surely, 2^36666851652 is an apocalyptic number.

It is an amenable number.

36666851652 is an abundant number, since it is smaller than the sum of its proper divisors (56018801226).

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

36666851652 is a wasteful number, since it uses less digits than its factorization.

36666851652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1018523667 (or 1018523662 counting only the distinct ones).

The product of its digits is 9331200, while the sum is 54.

The spelling of 36666851652 in words is "thirty-six billion, six hundred sixty-six million, eight hundred fifty-one thousand, six hundred fifty-two".