1071322656 has 24 divisors (see below), whose sum is σ = 2812222224. Its totient is φ = 357107520.

The previous prime is 1071322639. The next prime is 1071322667. The reversal of 1071322656 is 6562231701.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×1071322656² = 2295464466517788672, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5579710 + ... + 5579901.

It is an arithmetic number, because the mean of its divisors is an integer number (117175926).

Almost surely, 2^1071322656 is an apocalyptic number.

1071322656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1071322656 is an abundant number, since it is smaller than the sum of its proper divisors (1740899568).

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

1071322656 is a wasteful number, since it uses less digits than its factorization.

1071322656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11159624 (or 11159616 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 1071322656 is about 32731.0656105175. The cubic root of 1071322656 is about 1023.2303889295.

The spelling of 1071322656 in words is "one billion, seventy-one million, three hundred twenty-two thousand, six hundred fifty-six".