158366780 has 48 divisors (see below), whose sum is σ = 390718944. Its totient is φ = 53157120.

The previous prime is 158366779. The next prime is 158366783. The reversal of 158366780 is 87663851.

158366780 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 (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158366783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24827 + ... + 30546.

It is an arithmetic number, because the mean of its divisors is an integer number (8139978).

Almost surely, 2^158366780 is an apocalyptic number.

158366780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

158366780 is an abundant number, since it is smaller than the sum of its proper divisors (232352164).

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

158366780 is a wasteful number, since it uses less digits than its factorization.

158366780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55406 (or 55404 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 158366780 is about 12584.3863577053. The cubic root of 158366780 is about 541.0300185042.

The spelling of 158366780 in words is "one hundred fifty-eight million, three hundred sixty-six thousand, seven hundred eighty".