73666160473 has 4 divisors (see below), whose sum is σ = 73667048400. Its totient is φ = 73665272548.

The previous prime is 73666160437. The next prime is 73666160483. The reversal of 73666160473 is 37406166637.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 73666160473 - 2⁹ = 73666159961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73666160483) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305023 + ... + 490276.

It is an arithmetic number, because the mean of its divisors is an integer number (18416762100).

Almost surely, 2^73666160473 is an apocalyptic number.

It is an amenable number.

73666160473 is a deficient number, since it is larger than the sum of its proper divisors (887927).

73666160473 is an equidigital number, since it uses as much as digits as its factorization.

73666160473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 887926.

The product of its (nonzero) digits is 2286144, while the sum is 49.

The spelling of 73666160473 in words is "seventy-three billion, six hundred sixty-six million, one hundred sixty thousand, four hundred seventy-three".