151851668351 has 4 divisors (see below), whose sum is σ = 151998670032. Its totient is φ = 151704666672.

The previous prime is 151851668347. The next prime is 151851668357. The reversal of 151851668351 is 153866158151.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 151851668351 - 2² = 151851668347 is a prime.

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 151851668351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151851668357) 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, 73499291 + ... + 73501356.

It is an arithmetic number, because the mean of its divisors is an integer number (37999667508).

Almost surely, 2^151851668351 is an apocalyptic number.

151851668351 is a deficient number, since it is larger than the sum of its proper divisors (147001681).

151851668351 is a wasteful number, since it uses less digits than its factorization.

151851668351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147001680.

The product of its digits is 864000, while the sum is 50.

The spelling of 151851668351 in words is "one hundred fifty-one billion, eight hundred fifty-one million, six hundred sixty-eight thousand, three hundred fifty-one".