146670994728 has 128 divisors (see below), whose sum is σ = 410311440000. Its totient is φ = 48544137216.

The previous prime is 146670994721. The next prime is 146670994753. The reversal of 146670994728 is 827499076641.

146670994728 is a `hidden beast` number, since 1 + 4 + 6 + 6 + 70 + 99 + 472 + 8 = 666.

It is a hoax number, since the sum of its digits (63) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (146670994721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29730150 + ... + 29735082.

It is an arithmetic number, because the mean of its divisors is an integer number (3205558125).

Almost surely, 2^146670994728 is an apocalyptic number.

146670994728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 146670994728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205155720000).

146670994728 is an abundant number, since it is smaller than the sum of its proper divisors (263640445272).

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

146670994728 is a wasteful number, since it uses less digits than its factorization.

146670994728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5896 (or 5886 counting only the distinct ones).

The product of its (nonzero) digits is 36578304, while the sum is 63.

The spelling of 146670994728 in words is "one hundred forty-six billion, six hundred seventy million, nine hundred ninety-four thousand, seven hundred twenty-eight".