180972656142 has 64 divisors (see below), whose sum is σ = 382666636800. Its totient is φ = 56943304704.

The previous prime is 180972656099. The next prime is 180972656147. The reversal of 180972656142 is 241656279081.

It is a super-2 number, since 2×180972656142² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (180972656147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4706109 + ... + 4744407.

It is an arithmetic number, because the mean of its divisors is an integer number (5979166200).

Almost surely, 2^180972656142 is an apocalyptic number.

180972656142 is an abundant number, since it is smaller than the sum of its proper divisors (201693980658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

180972656142 is a wasteful number, since it uses less digits than its factorization.

180972656142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38777.

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 180972656142 in words is "one hundred eighty billion, nine hundred seventy-two million, six hundred fifty-six thousand, one hundred forty-two".