73153673157136 has 90 divisors (see below), whose sum is σ = 168697445556570. Its totient is φ = 30693848739840.

The previous prime is 73153673157113. The next prime is 73153673157143. The reversal of 73153673157136 is 63175137635137.

It can be written as a sum of positive squares in 3 ways, for example, as 1747049497600 + 71406623659536 = 1321760^2 + 8450244^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 111465681 + ... + 112120048.

Almost surely, 2^{73153673157136} is an apocalyptic number.

It is an amenable number.

73153673157136 is an abundant number, since it is smaller than the sum of its proper divisors (95543772399434).

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

73153673157136 is a wasteful number, since it uses less digits than its factorization.

73153673157136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223585785 (or 223585755 counting only the distinct ones).

The product of its digits is 25004700, while the sum is 58.

The spelling of 73153673157136 in words is "seventy-three trillion, one hundred fifty-three billion, six hundred seventy-three million, one hundred fifty-seven thousand, one hundred thirty-six".