151666847 has 4 divisors (see below), whose sum is σ = 151700280. Its totient is φ = 151633416.

The previous prime is 151666819. The next prime is 151666861. The reversal of 151666847 is 748666151.

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 151666847 - 2⁶ = 151666783 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 151666798 and 151666807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (151666817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8597 + ... + 19422.

It is an arithmetic number, because the mean of its divisors is an integer number (37925070).

Almost surely, 2^151666847 is an apocalyptic number.

151666847 is a deficient number, since it is larger than the sum of its proper divisors (33433).

151666847 is an equidigital number, since it uses as much as digits as its factorization.

151666847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33432.

The product of its digits is 241920, while the sum is 44.

The square root of 151666847 is about 12315.3094561201. The cubic root of 151666847 is about 533.2901383854.

The spelling of 151666847 in words is "one hundred fifty-one million, six hundred sixty-six thousand, eight hundred forty-seven".