148561909164 has 30 divisors (see below), whose sum is σ = 388370176964. Its totient is φ = 49520636280.

The previous prime is 148561909163. The next prime is 148561909183. The reversal of 148561909164 is 461909165841.

148561909164 is a `hidden beast` number, since 1 + 4 + 8 + 5 + 619 + 0 + 9 + 16 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 148561909164.

It is not an unprimeable number, because it can be changed into a prime (148561909163) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 229261882 + ... + 229262529.

Almost surely, 2^148561909164 is an apocalyptic number.

It is an amenable number.

148561909164 is an abundant number, since it is smaller than the sum of its proper divisors (239808267800).

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

148561909164 is a wasteful number, since it uses less digits than its factorization.

148561909164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 458524427 (or 458524416 counting only the distinct ones).

The product of its (nonzero) digits is 1866240, while the sum is 54.

The spelling of 148561909164 in words is "one hundred forty-eight billion, five hundred sixty-one million, nine hundred nine thousand, one hundred sixty-four".