158651680 has 96 divisors (see below), whose sum is σ = 413138880. Its totient is φ = 57093120.

The previous prime is 158651651. The next prime is 158651747. The reversal of 158651680 is 86156851.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191427 + ... + 192253.

It is an arithmetic number, because the mean of its divisors is an integer number (4303530).

Almost surely, 2^158651680 is an apocalyptic number.

158651680 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 158651680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206569440).

158651680 is an abundant number, since it is smaller than the sum of its proper divisors (254487200).

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

158651680 is a wasteful number, since it uses less digits than its factorization.

158651680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 962 (or 954 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 40.

The square root of 158651680 is about 12595.7008538628. The cubic root of 158651680 is about 541.3542597220.

The spelling of 158651680 in words is "one hundred fifty-eight million, six hundred fifty-one thousand, six hundred eighty".