1071996552 has 64 divisors (see below), whose sum is σ = 3248481600. Its totient is φ = 324846720.

The previous prime is 1071996551. The next prime is 1071996577. The reversal of 1071996552 is 2556991701.

1071996552 is a `hidden beast` number, since 1 + 0 + 7 + 1 + 9 + 96 + 552 = 666.

It is a super-2 number, since 2×1071996552² = 2298353214999777408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1071996498 and 1071996507.

It is not an unprimeable number, because it can be changed into a prime (1071996551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223213 + ... + 227964.

It is an arithmetic number, because the mean of its divisors is an integer number (50757525).

Almost surely, 2^1071996552 is an apocalyptic number.

1071996552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1071996552 is an abundant number, since it is smaller than the sum of its proper divisors (2176485048).

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

1071996552 is a wasteful number, since it uses less digits than its factorization.

1071996552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 451203 (or 451193 counting only the distinct ones).

The product of its (nonzero) digits is 170100, while the sum is 45.

The square root of 1071996552 is about 32741.3584324169. The cubic root of 1071996552 is about 1023.4448921046. Note that the first 3 decimals are identical.

The spelling of 1071996552 in words is "one billion, seventy-one million, nine hundred ninety-six thousand, five hundred fifty-two".