60451621656 has 64 divisors (see below), whose sum is σ = 152979840000. Its totient is φ = 19904222976.

The previous prime is 60451621619. The next prime is 60451621693. The reversal of 60451621656 is 65612615406.

It is an interprime number because it is at equal distance from previous prime (60451621619) and next prime (60451621693).

It is a super-3 number, since 3×60451621656³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2205685 + ... + 2232923.

It is an arithmetic number, because the mean of its divisors is an integer number (2390310000).

Almost surely, 2^60451621656 is an apocalyptic number.

It is an amenable number.

60451621656 is an abundant number, since it is smaller than the sum of its proper divisors (92528218344).

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

60451621656 is a wasteful number, since it uses less digits than its factorization.

60451621656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28376 (or 28372 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 60451621656 in words is "sixty billion, four hundred fifty-one million, six hundred twenty-one thousand, six hundred fifty-six".