164253406 has 16 divisors (see below), whose sum is σ = 248601600. Its totient is φ = 81389880.

The previous prime is 164253367. The next prime is 164253409. The reversal of 164253406 is 604352461.

164253406 = T₄₂₃ + T₄₂₄ + ... + T₁₀₁₉.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (164253409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123115 + ... + 124441.

It is an arithmetic number, because the mean of its divisors is an integer number (15537600).

Almost surely, 2^164253406 is an apocalyptic number.

164253406 is a deficient number, since it is larger than the sum of its proper divisors (84348194).

164253406 is a wasteful number, since it uses less digits than its factorization.

164253406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1839.

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 164253406 is about 12816.1384980032. The cubic root of 164253406 is about 547.6521470636.

The spelling of 164253406 in words is "one hundred sixty-four million, two hundred fifty-three thousand, four hundred six".