377620161 has 4 divisors (see below), whose sum is σ = 503493552. Its totient is φ = 251746772.

The previous prime is 377620157. The next prime is 377620169. The reversal of 377620161 is 161026773.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 377620161 - 2² = 377620157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (377620169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62936691 + ... + 62936696.

It is an arithmetic number, because the mean of its divisors is an integer number (125873388).

Almost surely, 2^377620161 is an apocalyptic number.

It is an amenable number.

377620161 is a deficient number, since it is larger than the sum of its proper divisors (125873391).

377620161 is a wasteful number, since it uses less digits than its factorization.

377620161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125873390.

The product of its (nonzero) digits is 10584, while the sum is 33.

The square root of 377620161 is about 19432.4512349832. The cubic root of 377620161 is about 722.8004113058.

The spelling of 377620161 in words is "three hundred seventy-seven million, six hundred twenty thousand, one hundred sixty-one".