151347471681 has 16 divisors (see below), whose sum is σ = 230846720000. Its totient is φ = 86401019088.

The previous prime is 151347471679. The next prime is 151347471703. The reversal of 151347471681 is 186174743151.

It is not a de Polignac number, because 151347471681 - 2¹ = 151347471679 is a prime.

It is a super-2 number, since 2×151347471681² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 151347471681.

It is not an unprimeable number, because it can be changed into a prime (151347471601) 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, 3446431 + ... + 3490068.

It is an arithmetic number, because the mean of its divisors is an integer number (14427920000).

Almost surely, 2^151347471681 is an apocalyptic number.

It is an amenable number.

151347471681 is a deficient number, since it is larger than the sum of its proper divisors (79499248319).

151347471681 is a wasteful number, since it uses less digits than its factorization.

151347471681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937548.

The product of its digits is 564480, while the sum is 48.

The spelling of 151347471681 in words is "one hundred fifty-one billion, three hundred forty-seven million, four hundred seventy-one thousand, six hundred eighty-one".