1056535669 has 16 divisors (see below), whose sum is σ = 1279663488. Its totient is φ = 851553792.

The previous prime is 1056535661. The next prime is 1056535691. The reversal of 1056535669 is 9665356501.

It is a cyclic number.

It is not a de Polignac number, because 1056535669 - 2³ = 1056535661 is a prime.

It is a super-2 number, since 2×1056535669² = 2232535239738555122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1056535661) 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, 152137 + ... + 158929.

It is an arithmetic number, because the mean of its divisors is an integer number (79978968).

Almost surely, 2^1056535669 is an apocalyptic number.

It is an amenable number.

1056535669 is a deficient number, since it is larger than the sum of its proper divisors (223127819).

1056535669 is a wasteful number, since it uses less digits than its factorization.

1056535669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8124.

The product of its (nonzero) digits is 729000, while the sum is 46.

The square root of 1056535669 is about 32504.3946105754. The cubic root of 1056535669 is about 1018.5008314109.

The spelling of 1056535669 in words is "one billion, fifty-six million, five hundred thirty-five thousand, six hundred sixty-nine".