158463722690 has 128 divisors (see below), whose sum is σ = 363431964672. Its totient is φ = 48392847360.

The previous prime is 158463722657. The next prime is 158463722707. The reversal of 158463722690 is 96227364851.

It is a super-3 number, since 3×158463722690³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9950174 + ... + 9966086.

It is an arithmetic number, because the mean of its divisors is an integer number (2839312224).

It is a 2-persistent number, because it is pandigital, and so is 2⋅158463722690 = 316927445380, but 3⋅158463722690 = 475391168070 is not.

Almost surely, 2^158463722690 is an apocalyptic number.

158463722690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158463722690 is an abundant number, since it is smaller than the sum of its proper divisors (204968241982).

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

158463722690 is a wasteful number, since it uses less digits than its factorization.

158463722690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16324.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 158463722690 in words is "one hundred fifty-eight billion, four hundred sixty-three million, seven hundred twenty-two thousand, six hundred ninety".