497213156160 has 448 divisors, whose sum is σ = 2012323737600. Its totient is φ = 113212975104.

The previous prime is 497213156149. The next prime is 497213156203. The reversal of 497213156160 is 61651312794.

497213156160 is a `hidden beast` number, since 4 + 9 + 7 + 2 + 13 + 15 + 616 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15890611 + ... + 15921869.

Almost surely, 2^497213156160 is an apocalyptic number.

497213156160 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 497213156160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1006161868800).

497213156160 is an abundant number, since it is smaller than the sum of its proper divisors (1515110581440).

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

497213156160 is a wasteful number, since it uses less digits than its factorization.

497213156160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31555 (or 31539 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 497213156160 in words is "four hundred ninety-seven billion, two hundred thirteen million, one hundred fifty-six thousand, one hundred sixty".