1164435370091 has 16 divisors (see below), whose sum is σ = 1348740403200. Its totient is φ = 984640464288.

The previous prime is 1164435370057. The next prime is 1164435370123. The reversal of 1164435370091 is 1900735344611.

It is a cyclic number.

It is not a de Polignac number, because 1164435370091 - 2³⁴ = 1147255500907 is a prime.

It is a super-2 number, since 2×1164435370091² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1164435370391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197171 + ... + 1538748.

It is an arithmetic number, because the mean of its divisors is an integer number (84296275200).

Almost surely, 2^{1164435370091} is an apocalyptic number.

1164435370091 is a deficient number, since it is larger than the sum of its proper divisors (184305033109).

1164435370091 is a wasteful number, since it uses less digits than its factorization.

1164435370091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1737218.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 1164435370091 in words is "one trillion, one hundred sixty-four billion, four hundred thirty-five million, three hundred seventy thousand, ninety-one".