158677680 has 240 divisors, whose sum is σ = 582177024. Its totient is φ = 35642880.

The previous prime is 158677679. The next prime is 158677703. The reversal of 158677680 is 86776851.

158677680 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×158677680² = 50357212260364800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1211215 + ... + 1211345.

Almost surely, 2^158677680 is an apocalyptic number.

158677680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 158677680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291088512).

158677680 is an abundant number, since it is smaller than the sum of its proper divisors (423499344).

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

158677680 is a wasteful number, since it uses less digits than its factorization.

158677680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 48.

The square root of 158677680 is about 12596.7329097667. The cubic root of 158677680 is about 541.3838306705.

The spelling of 158677680 in words is "one hundred fifty-eight million, six hundred seventy-seven thousand, six hundred eighty".