60921814560 has 48 divisors (see below), whose sum is σ = 191903717376. Its totient is φ = 16245817088.

The previous prime is 60921814553. The next prime is 60921814589. The reversal of 60921814560 is 6541812906.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×60921814560² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63459744 + ... + 63460703.

It is an arithmetic number, because the mean of its divisors is an integer number (3997994112).

Almost surely, 2^60921814560 is an apocalyptic number.

60921814560 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

60921814560 is an abundant number, since it is smaller than the sum of its proper divisors (130981902816).

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

60921814560 is a wasteful number, since it uses less digits than its factorization.

60921814560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126920465 (or 126920457 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 60921814560 in words is "sixty billion, nine hundred twenty-one million, eight hundred fourteen thousand, five hundred sixty".