154979016720 has 240 divisors, whose sum is σ = 545119443456. Its totient is φ = 36358502400.

The previous prime is 154979016719. The next prime is 154979016757. The reversal of 154979016720 is 27610979451.

It is a tau number, because it is divible by the number of its divisors (240).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 814164 + ... + 986316.

Almost surely, 2^154979016720 is an apocalyptic number.

154979016720 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 154979016720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272559721728).

154979016720 is an abundant number, since it is smaller than the sum of its proper divisors (390140426736).

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

154979016720 is a wasteful number, since it uses less digits than its factorization.

154979016720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172222 (or 172205 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 154979016720 in words is "one hundred fifty-four billion, nine hundred seventy-nine million, sixteen thousand, seven hundred twenty".