130437375661 has 8 divisors (see below), whose sum is σ = 131793071480. Its totient is φ = 129081904128.

The previous prime is 130437375619. The next prime is 130437375697. The reversal of 130437375661 is 166573734031.

It can be written as a sum of positive squares in 4 ways, for example, as 19598320036 + 110839055625 = 139994^2 + 332925^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 130437375661 - 2²¹ = 130435278509 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 (130437375461) 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, 1276705 + ... + 1375081.

It is an arithmetic number, because the mean of its divisors is an integer number (16474133935).

Almost surely, 2^130437375661 is an apocalyptic number.

It is an amenable number.

130437375661 is a deficient number, since it is larger than the sum of its proper divisors (1355695819).

130437375661 is an equidigital number, since it uses as much as digits as its factorization.

130437375661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112143.

The product of its (nonzero) digits is 952560, while the sum is 46.

The spelling of 130437375661 in words is "one hundred thirty billion, four hundred thirty-seven million, three hundred seventy-five thousand, six hundred sixty-one".