146164565511 has 24 divisors (see below), whose sum is σ = 222665217840. Its totient is φ = 92137219200.

The previous prime is 146164565509. The next prime is 146164565537. The reversal of 146164565511 is 115565461641.

It is a happy number.

146164565511 is a `hidden beast` number, since 1 + 46 + 1 + 6 + 4 + 56 + 551 + 1 = 666.

It is not a de Polignac number, because 146164565511 - 2¹ = 146164565509 is a prime.

It is a super-2 number, since 2×146164565511² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146164563511) 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, 731220 + ... + 909401.

It is an arithmetic number, because the mean of its divisors is an integer number (9277717410).

Almost surely, 2^146164565511 is an apocalyptic number.

146164565511 is a deficient number, since it is larger than the sum of its proper divisors (76500652329).

146164565511 is a wasteful number, since it uses less digits than its factorization.

146164565511 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1641167 (or 1641164 counting only the distinct ones).

The product of its digits is 432000, while the sum is 45.

The spelling of 146164565511 in words is "one hundred forty-six billion, one hundred sixty-four million, five hundred sixty-five thousand, five hundred eleven".