158633820390 has 16 divisors (see below), whose sum is σ = 380721169008. Its totient is φ = 42302352096.

The previous prime is 158633820377. The next prime is 158633820391. The reversal of 158633820390 is 93028336851.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158633820391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2643896977 + ... + 2643897036.

It is an arithmetic number, because the mean of its divisors is an integer number (23795073063).

Almost surely, 2^158633820390 is an apocalyptic number.

158633820390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

158633820390 is an abundant number, since it is smaller than the sum of its proper divisors (222087348618).

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

158633820390 is a wasteful number, since it uses less digits than its factorization.

158633820390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5287794023.

The product of its (nonzero) digits is 933120, while the sum is 48.

The spelling of 158633820390 in words is "one hundred fifty-eight billion, six hundred thirty-three million, eight hundred twenty thousand, three hundred ninety".