653103605616 has 80 divisors (see below), whose sum is σ = 2103502533888. Its totient is φ = 169637299200.

The previous prime is 653103605599. The next prime is 653103605621. The reversal of 653103605616 is 616506301356.

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 88349065 + ... + 88356456.

Almost surely, 2^653103605616 is an apocalyptic number.

653103605616 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

653103605616 is an abundant number, since it is smaller than the sum of its proper divisors (1450398928272).

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

653103605616 is a wasteful number, since it uses less digits than its factorization.

653103605616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176705550 (or 176705544 counting only the distinct ones).

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 653103605616 in words is "six hundred fifty-three billion, one hundred three million, six hundred five thousand, six hundred sixteen".