38770161 has 4 divisors (see below), whose sum is σ = 51693552. Its totient is φ = 25846772.

The previous prime is 38770103. The next prime is 38770169. The reversal of 38770161 is 16107783.

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 38770161 - 2⁹ = 38769649 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38770169) 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, 6461691 + ... + 6461696.

It is an arithmetic number, because the mean of its divisors is an integer number (12923388).

Almost surely, 2^38770161 is an apocalyptic number.

It is an amenable number.

38770161 is a deficient number, since it is larger than the sum of its proper divisors (12923391).

38770161 is a wasteful number, since it uses less digits than its factorization.

38770161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12923390.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 38770161 is about 6226.5689589051. The cubic root of 38770161 is about 338.4536495791.

The spelling of 38770161 in words is "thirty-eight million, seven hundred seventy thousand, one hundred sixty-one".