37132446661 has 2 divisors, whose sum is σ = 37132446662. Its totient is φ = 37132446660.

The previous prime is 37132446649. The next prime is 37132446667. The reversal of 37132446661 is 16664423173.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36263965761 + 868480900 = 190431^2 + 29470^2 .

It is a cyclic number.

It is not a de Polignac number, because 37132446661 - 2²³ = 37124058053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37132446667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18566223330 + 18566223331.

It is an arithmetic number, because the mean of its divisors is an integer number (18566223331).

Almost surely, 2^37132446661 is an apocalyptic number.

It is an amenable number.

37132446661 is a deficient number, since it is larger than the sum of its proper divisors (1).

37132446661 is an equidigital number, since it uses as much as digits as its factorization.

37132446661 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 43.

The spelling of 37132446661 in words is "thirty-seven billion, one hundred thirty-two million, four hundred forty-six thousand, six hundred sixty-one".