164636142 has 32 divisors (see below), whose sum is σ = 361307520. Its totient is φ = 49597920.

The previous prime is 164636123. The next prime is 164636183. The reversal of 164636142 is 241636461.

164636142 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

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, 4209 + ... + 18627.

It is an arithmetic number, because the mean of its divisors is an integer number (11290860).

Almost surely, 2^164636142 is an apocalyptic number.

164636142 is an abundant number, since it is smaller than the sum of its proper divisors (196671378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

164636142 is a wasteful number, since it uses less digits than its factorization.

164636142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14608.

The product of its digits is 20736, while the sum is 33.

The square root of 164636142 is about 12831.0616084563. The cubic root of 164636142 is about 548.0771886760.

The spelling of 164636142 in words is "one hundred sixty-four million, six hundred thirty-six thousand, one hundred forty-two".