617948901580 has 24 divisors (see below), whose sum is σ = 1303842904560. Its totient is φ = 246008091840.

The previous prime is 617948901547. The next prime is 617948901593. The reversal of 617948901580 is 85109849716.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73212475 + ... + 73220914.

It is an arithmetic number, because the mean of its divisors is an integer number (54326787690).

Almost surely, 2^617948901580 is an apocalyptic number.

It is an amenable number.

617948901580 is an abundant number, since it is smaller than the sum of its proper divisors (685894002980).

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

617948901580 is a wasteful number, since it uses less digits than its factorization.

617948901580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146433609 (or 146433607 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 58.

The spelling of 617948901580 in words is "six hundred seventeen billion, nine hundred forty-eight million, nine hundred one thousand, five hundred eighty".