16145140069 has 16 divisors (see below), whose sum is σ = 16850630016. Its totient is φ = 15454756800.

The previous prime is 16145140001. The next prime is 16145140079. The reversal of 16145140069 is 96004154161.

It is a cyclic number.

It is not a de Polignac number, because 16145140069 - 2²³ = 16136751461 is a prime.

It is a super-2 number, since 2×16145140069² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16145140079) 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, 1283599 + ... + 1296115.

It is an arithmetic number, because the mean of its divisors is an integer number (1053164376).

Almost surely, 2^16145140069 is an apocalyptic number.

It is an amenable number.

16145140069 is a deficient number, since it is larger than the sum of its proper divisors (705489947).

16145140069 is a wasteful number, since it uses less digits than its factorization.

16145140069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13116.

The product of its (nonzero) digits is 25920, while the sum is 37.

The spelling of 16145140069 in words is "sixteen billion, one hundred forty-five million, one hundred forty thousand, sixty-nine".