162130432077 has 6 divisors (see below), whose sum is σ = 234188401902. Its totient is φ = 108086954712.

The previous prime is 162130432073. The next prime is 162130432091. The reversal of 162130432077 is 770234031261.

162130432077 is a `hidden beast` number, since 1 + 6 + 21 + 304 + 320 + 7 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 157084602921 + 5045829156 = 396339^2 + 71034^2 .

It is not a de Polignac number, because 162130432077 - 2² = 162130432073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (162130432073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9007246218 + ... + 9007246235.

It is an arithmetic number, because the mean of its divisors is an integer number (39031400317).

Almost surely, 2^162130432077 is an apocalyptic number.

It is an amenable number.

162130432077 is a deficient number, since it is larger than the sum of its proper divisors (72057969825).

162130432077 is a wasteful number, since it uses less digits than its factorization.

162130432077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18014492459 (or 18014492456 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 36.

The spelling of 162130432077 in words is "one hundred sixty-two billion, one hundred thirty million, four hundred thirty-two thousand, seventy-seven".