151613601906 has 32 divisors (see below), whose sum is σ = 326574456768. Its totient is φ = 46647184320.

The previous prime is 151613601877. The next prime is 151613601991. The reversal of 151613601906 is 609106316151.

It is a super-2 number, since 2×151613601906² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1267285 + ... + 1381751.

It is an arithmetic number, because the mean of its divisors is an integer number (10205451774).

Almost surely, 2^151613601906 is an apocalyptic number.

151613601906 is an abundant number, since it is smaller than the sum of its proper divisors (174960854862).

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

151613601906 is a wasteful number, since it uses less digits than its factorization.

151613601906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131466.

The product of its (nonzero) digits is 29160, while the sum is 39.

The spelling of 151613601906 in words is "one hundred fifty-one billion, six hundred thirteen million, six hundred one thousand, nine hundred six".