1065165015651 has 8 divisors (see below), whose sum is σ = 1549330931904. Its totient is φ = 645554554920.

The previous prime is 1065165015643. The next prime is 1065165015653. The reversal of 1065165015651 is 1565105615601.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1065165015651 - 2³ = 1065165015643 is a prime.

It is a super-2 number, since 2×1065165015651² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1065165015653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16138863841 + ... + 16138863906.

It is an arithmetic number, because the mean of its divisors is an integer number (193666366488).

Almost surely, 2^{1065165015651} is an apocalyptic number.

1065165015651 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1065165015651 is a deficient number, since it is larger than the sum of its proper divisors (484165916253).

1065165015651 is a wasteful number, since it uses less digits than its factorization.

1065165015651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32277727761.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 1065165015651 in words is "one trillion, sixty-five billion, one hundred sixty-five million, fifteen thousand, six hundred fifty-one".