164849634 has 32 divisors (see below), whose sum is σ = 369023040. Its totient is φ = 54546336.

The previous prime is 164849621. The next prime is 164849647. The reversal of 164849634 is 436948461.

164849634 is a `hidden beast` number, since 1 + 6 + 4 + 8 + 4 + 9 + 634 = 666.

It is an interprime number because it is at equal distance from previous prime (164849621) and next prime (164849647).

It is a self number, because there is not a number n which added to its sum of digits gives 164849634.

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, 3744 + ... + 18539.

It is an arithmetic number, because the mean of its divisors is an integer number (11531970).

Almost surely, 2^164849634 is an apocalyptic number.

164849634 is an abundant number, since it is smaller than the sum of its proper divisors (204173406).

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

164849634 is a wasteful number, since it uses less digits than its factorization.

164849634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22431 (or 22425 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 164849634 is about 12839.3782559749. The cubic root of 164849634 is about 548.3139928036.

The spelling of 164849634 in words is "one hundred sixty-four million, eight hundred forty-nine thousand, six hundred thirty-four".