158661740154 has 8 divisors (see below), whose sum is σ = 317323480320. Its totient is φ = 52887246716.

The previous prime is 158661740131. The next prime is 158661740177. The reversal of 158661740154 is 451047166851.

158661740154 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (158661740131) and next prime (158661740177).

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

158661740154 is an admirable number.

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 3 ways as a sum of consecutive naturals, for example, 13221811674 + ... + 13221811685.

It is an arithmetic number, because the mean of its divisors is an integer number (39665435040).

Almost surely, 2^158661740154 is an apocalyptic number.

158661740154 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

158661740154 is a wasteful number, since it uses less digits than its factorization.

158661740154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26443623364.

The product of its (nonzero) digits is 806400, while the sum is 48.

The spelling of 158661740154 in words is "one hundred fifty-eight billion, six hundred sixty-one million, seven hundred forty thousand, one hundred fifty-four".