1497065856 has 256 divisors, whose sum is σ = 4729536000. Its totient is φ = 413614080.

The previous prime is 1497065833. The next prime is 1497065873. The reversal of 1497065856 is 6585607941.

It is a junction number, because it is equal to n+sod(n) for n = 1497065799 and 1497065808.

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, 7522845 + ... + 7523043.

It is an arithmetic number, because the mean of its divisors is an integer number (18474750).

Almost surely, 2^1497065856 is an apocalyptic number.

1497065856 is a gapful number since it is divisible by the number (16) 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 1497065856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2364768000).

1497065856 is an abundant number, since it is smaller than the sum of its proper divisors (3232470144).

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

1497065856 is a wasteful number, since it uses less digits than its factorization.

1497065856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 1497065856 is about 38691.9352837255. The cubic root of 1497065856 is about 1143.9673650364.

The spelling of 1497065856 in words is "one billion, four hundred ninety-seven million, sixty-five thousand, eight hundred fifty-six".