165154964 has 12 divisors (see below), whose sum is σ = 311253684. Its totient is φ = 76225344.

The previous prime is 165154963. The next prime is 165154987. The reversal of 165154964 is 469451561.

165154964 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 108784900 + 56370064 = 10430^2 + 7508^2 .

165154964 is strictly pandigital in base 9.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165154961) 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, 1587977 + ... + 1588080.

It is an arithmetic number, because the mean of its divisors is an integer number (25937807).

Almost surely, 2^165154964 is an apocalyptic number.

It is an amenable number.

165154964 is a deficient number, since it is larger than the sum of its proper divisors (146098720).

165154964 is a wasteful number, since it uses less digits than its factorization.

165154964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3176074 (or 3176072 counting only the distinct ones).

The product of its digits is 129600, while the sum is 41.

The square root of 165154964 is about 12851.2631285800. The cubic root of 165154964 is about 548.6523080954.

The spelling of 165154964 in words is "one hundred sixty-five million, one hundred fifty-four thousand, nine hundred sixty-four".