1613608158 has 16 divisors (see below), whose sum is σ = 3231009936. Its totient is φ = 537237120.

The previous prime is 1613608127. The next prime is 1613608207. The reversal of 1613608158 is 8518063161.

1613608158 is digitally balanced in base 4, 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 7 ways as a sum of consecutive naturals, for example, 152523 + ... + 162758.

It is an arithmetic number, because the mean of its divisors is an integer number (201938121).

Almost surely, 2^1613608158 is an apocalyptic number.

1613608158 is an abundant number, since it is smaller than the sum of its proper divisors (1617401778).

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

1613608158 is a wasteful number, since it uses less digits than its factorization.

1613608158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316139.

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1613608158 is about 40169.7418214257. The cubic root of 1613608158 is about 1172.9136134543.

The spelling of 1613608158 in words is "one billion, six hundred thirteen million, six hundred eight thousand, one hundred fifty-eight".