158361646 has 8 divisors (see below), whose sum is σ = 237634344. Its totient is φ = 79150200.

The previous prime is 158361641. The next prime is 158361649. The reversal of 158361646 is 646163851.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 158361599 and 158361608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158361641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8185 + ... + 19588.

It is an arithmetic number, because the mean of its divisors is an integer number (29704293).

Almost surely, 2^158361646 is an apocalyptic number.

158361646 is a deficient number, since it is larger than the sum of its proper divisors (79272698).

158361646 is a wasteful number, since it uses less digits than its factorization.

158361646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30626.

The product of its digits is 103680, while the sum is 40.

The square root of 158361646 is about 12584.1823731222. The cubic root of 158361646 is about 541.0241719958.

The spelling of 158361646 in words is "one hundred fifty-eight million, three hundred sixty-one thousand, six hundred forty-six".