73190690165 has 8 divisors (see below), whose sum is σ = 87834478680. Its totient is φ = 58548785152.

The previous prime is 73190690159. The next prime is 73190690197. The reversal of 73190690165 is 56109609137.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3337257361 + 69853432804 = 57769^2 + 264298^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 73190690165 - 2⁴ = 73190690149 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 383924 + ... + 542013.

It is an arithmetic number, because the mean of its divisors is an integer number (10979309835).

Almost surely, 2^73190690165 is an apocalyptic number.

It is an amenable number.

73190690165 is a deficient number, since it is larger than the sum of its proper divisors (14643788515).

73190690165 is a wasteful number, since it uses less digits than its factorization.

73190690165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941751.

The product of its (nonzero) digits is 306180, while the sum is 47.

The spelling of 73190690165 in words is "seventy-three billion, one hundred ninety million, six hundred ninety thousand, one hundred sixty-five".