158541778062 has 40 divisors (see below), whose sum is σ = 361074830952. Its totient is φ = 51980907600.

The previous prime is 158541778061. The next prime is 158541778081. The reversal of 158541778062 is 260877145851.

158541778062 is a `hidden beast` number, since 15 + 8 + 541 + 7 + 7 + 80 + 6 + 2 = 666.

158541778062 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158541778061) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 8011864 + ... + 8031627.

Almost surely, 2^158541778062 is an apocalyptic number.

158541778062 is an abundant number, since it is smaller than the sum of its proper divisors (202533052890).

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

158541778062 is a wasteful number, since it uses less digits than its factorization.

158541778062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16043566 (or 16043557 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 54.

The spelling of 158541778062 in words is "one hundred fifty-eight billion, five hundred forty-one million, seven hundred seventy-eight thousand, sixty-two".