36790501661 has 4 divisors (see below), whose sum is σ = 36791474400. Its totient is φ = 36789528924.

The previous prime is 36790501651. The next prime is 36790501697. The reversal of 36790501661 is 16610509763.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16610509763 = 107 ⋅155238409.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-36790501661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36790501651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 427241 + ... + 506078.

It is an arithmetic number, because the mean of its divisors is an integer number (9197868600).

Almost surely, 2^36790501661 is an apocalyptic number.

It is an amenable number.

36790501661 is a deficient number, since it is larger than the sum of its proper divisors (972739).

36790501661 is an equidigital number, since it uses as much as digits as its factorization.

36790501661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972738.

The product of its (nonzero) digits is 204120, while the sum is 44.

The spelling of 36790501661 in words is "thirty-six billion, seven hundred ninety million, five hundred one thousand, six hundred sixty-one".