648541061754 has 16 divisors (see below), whose sum is σ = 1297090050048. Its totient is φ = 216179032832.

The previous prime is 648541061699. The next prime is 648541061759. The reversal of 648541061754 is 457160145846.

It is a junction number, because it is equal to n+sod(n) for n = 648541061697 and 648541061706.

It is not an unprimeable number, because it can be changed into a prime (648541061759) 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, 1612039 + ... + 1973765.

It is an arithmetic number, because the mean of its divisors is an integer number (81068128128).

Almost surely, 2^648541061754 is an apocalyptic number.

648541061754 is an abundant number, since it is smaller than the sum of its proper divisors (648548988294).

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

648541061754 is a wasteful number, since it uses less digits than its factorization.

648541061754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 660549.

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 648541061754 in words is "six hundred forty-eight billion, five hundred forty-one million, sixty-one thousand, seven hundred fifty-four".