164955554 has 8 divisors (see below), whose sum is σ = 247520448. Its totient is φ = 82448740.

The previous prime is 164955551. The next prime is 164955559. The reversal of 164955554 is 455559461.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (164955551) 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, 6542 + ... + 19305.

It is an arithmetic number, because the mean of its divisors is an integer number (30940056).

Almost surely, 2^164955554 is an apocalyptic number.

164955554 is a deficient number, since it is larger than the sum of its proper divisors (82564894).

164955554 is a wasteful number, since it uses less digits than its factorization.

164955554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29040.

The product of its digits is 540000, while the sum is 44.

The square root of 164955554 is about 12843.5024039395. The cubic root of 164955554 is about 548.4314027980.

The spelling of 164955554 in words is "one hundred sixty-four million, nine hundred fifty-five thousand, five hundred fifty-four".