165461946 has 32 divisors (see below), whose sum is σ = 361273920. Its totient is φ = 50212224.

The previous prime is 165461941. The next prime is 165461957. The reversal of 165461946 is 649164561.

It is a junction number, because it is equal to n+sod(n) for n = 165461898 and 165461907.

It is not an unprimeable number, because it can be changed into a prime (165461941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8836 + ... + 20223.

It is an arithmetic number, because the mean of its divisors is an integer number (11289810).

Almost surely, 2^165461946 is an apocalyptic number.

165461946 is an abundant number, since it is smaller than the sum of its proper divisors (195811974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

165461946 is a wasteful number, since it uses less digits than its factorization.

165461946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29150.

The product of its digits is 155520, while the sum is 42.

The square root of 165461946 is about 12863.2012345295. The cubic root of 165461946 is about 548.9920337529.

The spelling of 165461946 in words is "one hundred sixty-five million, four hundred sixty-one thousand, nine hundred forty-six".