125660164460161 has 8 divisors (see below), whose sum is σ = 125885281737600. Its totient is φ = 125435207470080.

The previous prime is 125660164460113. The next prime is 125660164460167. The reversal of 125660164460161 is 161064461066521.

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 125660164460161 - 2²¹ = 125660162363009 is a prime.

It is a super-2 number, since 2×125660164460161² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125660164460167) 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, 38502445 + ... + 41638426.

It is an arithmetic number, because the mean of its divisors is an integer number (15735660217200).

Almost surely, 2^{125660164460161} is an apocalyptic number.

It is an amenable number.

125660164460161 is a deficient number, since it is larger than the sum of its proper divisors (225117277439).

125660164460161 is an equidigital number, since it uses as much as digits as its factorization.

125660164460161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80143679.

The product of its (nonzero) digits is 1244160, while the sum is 49.

The spelling of 125660164460161 in words is "one hundred twenty-five trillion, six hundred sixty billion, one hundred sixty-four million, four hundred sixty thousand, one hundred sixty-one".