165474673147 has 16 divisors (see below), whose sum is σ = 191978426880. Its totient is φ = 139687973568.

The previous prime is 165474673123. The next prime is 165474673229. The reversal of 165474673147 is 741376474561.

It is a cyclic number.

It is not a de Polignac number, because 165474673147 - 2³¹ = 163327189499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (165474673547) 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, 2256858 + ... + 2329024.

It is an arithmetic number, because the mean of its divisors is an integer number (11998651680).

Almost surely, 2^165474673147 is an apocalyptic number.

165474673147 is a deficient number, since it is larger than the sum of its proper divisors (26503753733).

165474673147 is an equidigital number, since it uses as much as digits as its factorization.

165474673147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77130.

The product of its digits is 11854080, while the sum is 55.

The spelling of 165474673147 in words is "one hundred sixty-five billion, four hundred seventy-four million, six hundred seventy-three thousand, one hundred forty-seven".