158261678 has 24 divisors (see below), whose sum is σ = 252968760. Its totient is φ = 74241360.

The previous prime is 158261651. The next prime is 158261699. The reversal of 158261678 is 876162851.

It is a happy number.

158261678 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 77693 + ... + 79703.

It is an arithmetic number, because the mean of its divisors is an integer number (10540365).

Almost surely, 2^158261678 is an apocalyptic number.

158261678 is a deficient number, since it is larger than the sum of its proper divisors (94707082).

158261678 is a wasteful number, since it uses less digits than its factorization.

158261678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2160 (or 2141 counting only the distinct ones).

The product of its digits is 161280, while the sum is 44.

The square root of 158261678 is about 12580.2097756754. The cubic root of 158261678 is about 540.9103050117.

The spelling of 158261678 in words is "one hundred fifty-eight million, two hundred sixty-one thousand, six hundred seventy-eight".