1097430165 has 48 divisors (see below), whose sum is σ = 2137629312. Its totient is φ = 516776832.

The previous prime is 1097430127. The next prime is 1097430179. The reversal of 1097430165 is 5610347901.

It is not a de Polignac number, because 1097430165 - 2⁸ = 1097429909 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27327 + ... + 54236.

It is an arithmetic number, because the mean of its divisors is an integer number (44533944).

Almost surely, 2^1097430165 is an apocalyptic number.

1097430165 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1097430165 is a deficient number, since it is larger than the sum of its proper divisors (1040199147).

1097430165 is a wasteful number, since it uses less digits than its factorization.

1097430165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81610 (or 81607 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1097430165 is about 33127.4835295408. The cubic root of 1097430165 is about 1031.4756130068.

The spelling of 1097430165 in words is "one billion, ninety-seven million, four hundred thirty thousand, one hundred sixty-five".