158617441477 has 16 divisors (see below), whose sum is σ = 180722535552. Its totient is φ = 137804483520.

The previous prime is 158617441457. The next prime is 158617441483. The reversal of 158617441477 is 774144716851.

It is not a de Polignac number, because 158617441477 - 2²³ = 158609052869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158617441447) 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, 1963 + ... + 563239.

It is an arithmetic number, because the mean of its divisors is an integer number (11295158472).

Almost surely, 2^158617441477 is an apocalyptic number.

It is an amenable number.

158617441477 is a deficient number, since it is larger than the sum of its proper divisors (22105094075).

158617441477 is a wasteful number, since it uses less digits than its factorization.

158617441477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562428.

The product of its digits is 5268480, while the sum is 55.

The spelling of 158617441477 in words is "one hundred fifty-eight billion, six hundred seventeen million, four hundred forty-one thousand, four hundred seventy-seven".