165034977 has 16 divisors (see below), whose sum is σ = 224959680. Its totient is φ = 107586752.

The previous prime is 165034973. The next prime is 165034993. The reversal of 165034977 is 779430561.

It is a cyclic number.

It is not a de Polignac number, because 165034977 - 2² = 165034973 is a prime.

It is not an unprimeable number, because it can be changed into a prime (165034973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32503 + ... + 37235.

It is an arithmetic number, because the mean of its divisors is an integer number (14059980).

Almost surely, 2^165034977 is an apocalyptic number.

It is an amenable number.

165034977 is a deficient number, since it is larger than the sum of its proper divisors (59924703).

165034977 is a wasteful number, since it uses less digits than its factorization.

165034977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4992.

The product of its (nonzero) digits is 158760, while the sum is 42.

The square root of 165034977 is about 12846.5939843991. The cubic root of 165034977 is about 548.5194084806.

The spelling of 165034977 in words is "one hundred sixty-five million, thirty-four thousand, nine hundred seventy-seven".