96421601520 has 120 divisors (see below), whose sum is σ = 324013934400. Its totient is φ = 25696700928.

The previous prime is 96421601467. The next prime is 96421601579. The reversal of 96421601520 is 2510612469.

96421601520 is a `hidden beast` number, since 9 + 6 + 4 + 21 + 601 + 5 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1161561 + ... + 1241799.

It is an arithmetic number, because the mean of its divisors is an integer number (2700116120).

Almost surely, 2^96421601520 is an apocalyptic number.

96421601520 is a gapful number since it is divisible by the number (90) 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 96421601520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (162006967200).

96421601520 is an abundant number, since it is smaller than the sum of its proper divisors (227592332880).

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

96421601520 is a wasteful number, since it uses less digits than its factorization.

96421601520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81927 (or 81918 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The spelling of 96421601520 in words is "ninety-six billion, four hundred twenty-one million, six hundred one thousand, five hundred twenty".