165734090 has 32 divisors (see below), whose sum is σ = 315588096. Its totient is φ = 62536320.

The previous prime is 165734087. The next prime is 165734123. The reversal of 165734090 is 90437561.

165734090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 165734090.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11855 + ... + 21725.

It is an arithmetic number, because the mean of its divisors is an integer number (9862128).

Almost surely, 2^165734090 is an apocalyptic number.

165734090 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

165734090 is a deficient number, since it is larger than the sum of its proper divisors (149854006).

165734090 is a wasteful number, since it uses less digits than its factorization.

165734090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9974.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 165734090 is about 12873.7752815559. The cubic root of 165734090 is about 549.2928542840.

The spelling of 165734090 in words is "one hundred sixty-five million, seven hundred thirty-four thousand, ninety".