32160130602581 has 2 divisors, whose sum is σ = 32160130602582. Its totient is φ = 32160130602580.

The previous prime is 32160130602577. The next prime is 32160130602623. The reversal of 32160130602581 is 18520603106123.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26009581801681 + 6150548800900 = 5099959^2 + 2480030^2 .

It is a cyclic number.

It is not a de Polignac number, because 32160130602581 - 2² = 32160130602577 is a prime.

It is a super-2 number, since 2×32160130602581² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32160130602541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16080065301290 + 16080065301291.

It is an arithmetic number, because the mean of its divisors is an integer number (16080065301291).

Almost surely, 2^{32160130602581} is an apocalyptic number.

It is an amenable number.

32160130602581 is a deficient number, since it is larger than the sum of its proper divisors (1).

32160130602581 is an equidigital number, since it uses as much as digits as its factorization.

32160130602581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 32160130602581 in words is "thirty-two trillion, one hundred sixty billion, one hundred thirty million, six hundred two thousand, five hundred eighty-one".