648022116760 has 32 divisors (see below), whose sum is σ = 1458175446000. Its totient is φ = 259186503040.

The previous prime is 648022116613. The next prime is 648022116769. The reversal of 648022116760 is 67611220846.

It is a super-2 number, since 2×648022116760² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (648022116769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224431 + ... + 1160350.

Almost surely, 2^648022116760 is an apocalyptic number.

It is an amenable number.

648022116760 is an abundant number, since it is smaller than the sum of its proper divisors (810153329240).

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

648022116760 is a wasteful number, since it uses less digits than its factorization.

648022116760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1396491 (or 1396487 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 648022116760 in words is "six hundred forty-eight billion, twenty-two million, one hundred sixteen thousand, seven hundred sixty".