648065137051080 has 192 divisors, whose sum is σ = 2407111203594240. Its totient is φ = 148128428146176.

The previous prime is 648065137051067. The next prime is 648065137051091. The reversal of 648065137051080 is 80150731560846.

It is a happy number.

648065137051080 is a `hidden beast` number, since 6 + 4 + 8 + 0 + 6 + 51 + 3 + 70 + 510 + 8 + 0 = 666.

It is a super-2 number, since 2×648065137051080² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 616464057 + ... + 617514423.

It is an arithmetic number, because the mean of its divisors is an integer number (12537037518720).

Almost surely, 2^{648065137051080} is an apocalyptic number.

648065137051080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

648065137051080 is an abundant number, since it is smaller than the sum of its proper divisors (1759046066543160).

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

648065137051080 is a wasteful number, since it uses less digits than its factorization.

648065137051080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295228 (or 1295221 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 648065137051080 in words is "six hundred forty-eight trillion, sixty-five billion, one hundred thirty-seven million, fifty-one thousand, eighty".