165106454 has 16 divisors (see below), whose sum is σ = 256536720. Its totient is φ = 79601760.

The previous prime is 165106433. The next prime is 165106471. The reversal of 165106454 is 454601561.

It is a self number, because there is not a number n which added to its sum of digits gives 165106454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60197 + ... + 62879.

It is an arithmetic number, because the mean of its divisors is an integer number (16033545).

Almost surely, 2^165106454 is an apocalyptic number.

165106454 is a deficient number, since it is larger than the sum of its proper divisors (91430266).

165106454 is a wasteful number, since it uses less digits than its factorization.

165106454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3775.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 165106454 is about 12849.3756268544. The cubic root of 165106454 is about 548.5985853591.

The spelling of 165106454 in words is "one hundred sixty-five million, one hundred six thousand, four hundred fifty-four".