164400254 has 8 divisors (see below), whose sum is σ = 254555328. Its totient is φ = 79548480.

The previous prime is 164400241. The next prime is 164400259. The reversal of 164400254 is 452004461.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164400259) 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, 1325747 + ... + 1325870.

It is an arithmetic number, because the mean of its divisors is an integer number (31819416).

Almost surely, 2^164400254 is an apocalyptic number.

164400254 is a deficient number, since it is larger than the sum of its proper divisors (90155074).

164400254 is a wasteful number, since it uses less digits than its factorization.

164400254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2651650.

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 164400254 is about 12821.8662448179. The cubic root of 164400254 is about 547.8153048530.

The spelling of 164400254 in words is "one hundred sixty-four million, four hundred thousand, two hundred fifty-four".