164709549120 has 56 divisors (see below), whose sum is σ = 522952821504. Its totient is φ = 43922546176.

The previous prime is 164709549083. The next prime is 164709549127. The reversal of 164709549120 is 21945907461.

It is a happy number.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 164709549120.

It is not an unprimeable number, because it can be changed into a prime (164709549127) 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, 85785264 + ... + 85787183.

Almost surely, 2^164709549120 is an apocalyptic number.

164709549120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

164709549120 is an abundant number, since it is smaller than the sum of its proper divisors (358243272384).

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

164709549120 is a wasteful number, since it uses less digits than its factorization.

164709549120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171572467 (or 171572457 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 48.

The spelling of 164709549120 in words is "one hundred sixty-four billion, seven hundred nine million, five hundred forty-nine thousand, one hundred twenty".