1071645696 has 297 divisors, whose sum is σ = 3514488159. Its totient is φ = 314265600.

The previous prime is 1071645691. The next prime is 1071645703. The reversal of 1071645696 is 6965461701.

The square root of 1071645696 is 32736.

It is a perfect power (a square), and thus also a powerful number.

1071645696 is a `hidden beast` number, since 10 + 71 + 6 + 4 + 569 + 6 = 666.

It is a super-2 number, since 2×1071645696² = 2296848995510648832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1071645691) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 34569201 + ... + 34569231.

Almost surely, 2^1071645696 is an apocalyptic number.

1071645696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

1071645696 is the 32736-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1071645696

1071645696 is an abundant number, since it is smaller than the sum of its proper divisors (2442842463).

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

1071645696 is a wasteful number, since it uses less digits than its factorization.

1071645696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110 (or 47 counting only the distinct ones).

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

The cubic root of 1071645696 is about 1023.3332247793. Note that the first 3 decimals are identical.

The spelling of 1071645696 in words is "one billion, seventy-one million, six hundred forty-five thousand, six hundred ninety-six".