1370566656 has 260 divisors, whose sum is σ = 4352959512. Its totient is φ = 429981696.

The previous prime is 1370566643. The next prime is 1370566669. The reversal of 1370566656 is 6566650731.

It is an interprime number because it is at equal distance from previous prime (1370566643) and next prime (1370566669).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 80621560 + ... + 80621576.

Almost surely, 2^1370566656 is an apocalyptic number.

1370566656 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 1370566656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2176479756).

1370566656 is an abundant number, since it is smaller than the sum of its proper divisors (2982392856).

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

1370566656 is an frugal number, since it uses more digits than its factorization.

1370566656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68 (or 22 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The square root of 1370566656 is about 37021.1649735661. The cubic root of 1370566656 is about 1110.7936471644.

The spelling of 1370566656 in words is "one billion, three hundred seventy million, five hundred sixty-six thousand, six hundred fifty-six".