497901345660 has 96 divisors (see below), whose sum is σ = 1586807611200. Its totient is φ = 129535303680.

The previous prime is 497901345653. The next prime is 497901345671. The reversal of 497901345660 is 66543109794.

497901345660 is a `hidden beast` number, since 4 + 9 + 79 + 0 + 1 + 3 + 4 + 566 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 497901345597 and 497901345606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11222245 + ... + 11266524.

It is an arithmetic number, because the mean of its divisors is an integer number (16529245950).

Almost surely, 2^497901345660 is an apocalyptic number.

It is an amenable number.

497901345660 is an abundant number, since it is smaller than the sum of its proper divisors (1088906265540).

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

497901345660 is a wasteful number, since it uses less digits than its factorization.

497901345660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22488828 (or 22488820 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 497901345660 in words is "four hundred ninety-seven billion, nine hundred one million, three hundred forty-five thousand, six hundred sixty".