73216165 has 32 divisors (see below), whose sum is σ = 98743680. Its totient is φ = 51667200.

The previous prime is 73216147. The next prime is 73216183. The reversal of 73216165 is 56161237.

It is an interprime number because it is at equal distance from previous prime (73216147) and next prime (73216183).

It is not a de Polignac number, because 73216165 - 2¹⁷ = 73085093 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 466267 + ... + 466423.

It is an arithmetic number, because the mean of its divisors is an integer number (3085740).

Almost surely, 2^73216165 is an apocalyptic number.

It is an amenable number.

73216165 is a deficient number, since it is larger than the sum of its proper divisors (25527515).

73216165 is a wasteful number, since it uses less digits than its factorization.

73216165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373.

The product of its digits is 7560, while the sum is 31.

The square root of 73216165 is about 8556.6444941928. The cubic root of 73216165 is about 418.3460368024.

The spelling of 73216165 in words is "seventy-three million, two hundred sixteen thousand, one hundred sixty-five".