151566947 has 6 divisors (see below), whose sum is σ = 176312628. Its totient is φ = 129914484.

The previous prime is 151566923. The next prime is 151566973. The reversal of 151566947 is 749665151.

It is not a de Polignac number, because 151566947 - 2¹⁶ = 151501411 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151566898 and 151566907.

It is not an unprimeable number, because it can be changed into a prime (151566047) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1546553 + ... + 1546650.

It is an arithmetic number, because the mean of its divisors is an integer number (29385438).

Almost surely, 2^151566947 is an apocalyptic number.

151566947 is a deficient number, since it is larger than the sum of its proper divisors (24745681).

151566947 is an equidigital number, since it uses as much as digits as its factorization.

151566947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093217 (or 3093210 counting only the distinct ones).

The product of its digits is 226800, while the sum is 44.

The square root of 151566947 is about 12311.2528606962. The cubic root of 151566947 is about 533.1730233899.

The spelling of 151566947 in words is "one hundred fifty-one million, five hundred sixty-six thousand, nine hundred forty-seven".