1046661165 has 24 divisors (see below), whose sum is σ = 1979142048. Its totient is φ = 507471840.

The previous prime is 1046661163. The next prime is 1046661169. The reversal of 1046661165 is 5611666401.

It is a happy number.

1046661165 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1046661165 - 2¹ = 1046661163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046661163) 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, 1056739 + ... + 1057728.

It is an arithmetic number, because the mean of its divisors is an integer number (82464252).

Almost surely, 2^1046661165 is an apocalyptic number.

1046661165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1046661165 is a deficient number, since it is larger than the sum of its proper divisors (932480883).

1046661165 is a wasteful number, since it uses less digits than its factorization.

1046661165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114489 (or 2114486 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 1046661165 is about 32352.1431283926. The cubic root of 1046661165 is about 1015.3178859848.

It can be divided in two parts, 10466 and 61165, that added together give a triangular number (71631 = T₃₇₈).

The spelling of 1046661165 in words is "one billion, forty-six million, six hundred sixty-one thousand, one hundred sixty-five".