172436091361494 has 32 divisors (see below), whose sum is σ = 355179662864640. Its totient is φ = 55769438240352.

The previous prime is 172436091361493. The next prime is 172436091361529. The reversal of 172436091361494 is 494163190634271.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172436091361493) 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, 1081729704 + ... + 1081889099.

It is an arithmetic number, because the mean of its divisors is an integer number (11099364464520).

Almost surely, 2^{172436091361494} is an apocalyptic number.

172436091361494 is an abundant number, since it is smaller than the sum of its proper divisors (182743571503146).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172436091361494 is a wasteful number, since it uses less digits than its factorization.

172436091361494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2163619204.

The product of its (nonzero) digits is 23514624, while the sum is 60.

The spelling of 172436091361494 in words is "one hundred seventy-two trillion, four hundred thirty-six billion, ninety-one million, three hundred sixty-one thousand, four hundred ninety-four".