75166013643 has 16 divisors (see below), whose sum is σ = 114571165440. Its totient is φ = 42939828576.

The previous prime is 75166013623. The next prime is 75166013707. The reversal of 75166013643 is 34631066157.

It is not a de Polignac number, because 75166013643 - 2⁸ = 75166013387 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 75166013595 and 75166013604.

It is not an unprimeable number, because it can be changed into a prime (75166013623) 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, 431380 + ... + 580017.

It is an arithmetic number, because the mean of its divisors is an integer number (7160697840).

Almost surely, 2^75166013643 is an apocalyptic number.

75166013643 is a deficient number, since it is larger than the sum of its proper divisors (39405151797).

75166013643 is a wasteful number, since it uses less digits than its factorization.

75166013643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1014946.

The product of its (nonzero) digits is 272160, while the sum is 42.

The spelling of 75166013643 in words is "seventy-five billion, one hundred sixty-six million, thirteen thousand, six hundred forty-three".