151681973047 has 8 divisors (see below), whose sum is σ = 165484006272. Its totient is φ = 137882067000.

The previous prime is 151681973011. The next prime is 151681973071. The reversal of 151681973047 is 740379186151.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 151681973047 - 2⁷ = 151681972919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151681972985 and 151681973003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151681973147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 380829 + ... + 669622.

It is an arithmetic number, because the mean of its divisors is an integer number (20685500784).

Almost surely, 2^151681973047 is an apocalyptic number.

151681973047 is a deficient number, since it is larger than the sum of its proper divisors (13802033225).

151681973047 is a wasteful number, since it uses less digits than its factorization.

151681973047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063589.

The product of its (nonzero) digits is 1270080, while the sum is 52.

The spelling of 151681973047 in words is "one hundred fifty-one billion, six hundred eighty-one million, nine hundred seventy-three thousand, forty-seven".