1065551067 has 24 divisors (see below), whose sum is σ = 1760638464. Its totient is φ = 608320944.

The previous prime is 1065551063. The next prime is 1065551083. The reversal of 1065551067 is 7601555601.

It is not a de Polignac number, because 1065551067 - 2² = 1065551063 is a prime.

It is a super-2 number, since 2×1065551067² = 2270798152769676978, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065551063) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65998 + ... + 80540.

It is an arithmetic number, because the mean of its divisors is an integer number (73359936).

Almost surely, 2^1065551067 is an apocalyptic number.

1065551067 is a deficient number, since it is larger than the sum of its proper divisors (695087397).

1065551067 is a wasteful number, since it uses less digits than its factorization.

1065551067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15719 (or 15716 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 36.

The square root of 1065551067 is about 32642.7797070041. The cubic root of 1065551067 is about 1021.3895795422.

The spelling of 1065551067 in words is "one billion, sixty-five million, five hundred fifty-one thousand, sixty-seven".