154646966980 has 96 divisors (see below), whose sum is σ = 360449429760. Its totient is φ = 55258176000.

The previous prime is 154646966959. The next prime is 154646966983. The reversal of 154646966980 is 89669646451.

It is a super-2 number, since 2×154646966980² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (154646966983) 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, 14877585 + ... + 14887975.

It is an arithmetic number, because the mean of its divisors is an integer number (3754681560).

Almost surely, 2^154646966980 is an apocalyptic number.

154646966980 is a gapful number since it is divisible by the number (10) 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 154646966980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180224714880).

154646966980 is an abundant number, since it is smaller than the sum of its proper divisors (205802462780).

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

154646966980 is a wasteful number, since it uses less digits than its factorization.

154646966980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11581 (or 11579 counting only the distinct ones).

The product of its (nonzero) digits is 67184640, while the sum is 64.

The spelling of 154646966980 in words is "one hundred fifty-four billion, six hundred forty-six million, nine hundred sixty-six thousand, nine hundred eighty".