1069145916 has 24 divisors (see below), whose sum is σ = 2495243520. Its totient is φ = 356300592.

The previous prime is 1069145893. The next prime is 1069145921. The reversal of 1069145916 is 6195419601.

It is a super-2 number, since 2×1069145916² = 2286145979398958112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69565 + ... + 83531.

It is an arithmetic number, because the mean of its divisors is an integer number (103968480).

Almost surely, 2^1069145916 is an apocalyptic number.

It is an amenable number.

1069145916 is an abundant number, since it is smaller than the sum of its proper divisors (1426097604).

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

1069145916 is a wasteful number, since it uses less digits than its factorization.

1069145916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20353 (or 20351 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 1069145916 is about 32697.7968065128. The cubic root of 1069145916 is about 1022.5369107297.

The spelling of 1069145916 in words is "one billion, sixty-nine million, one hundred forty-five thousand, nine hundred sixteen".