151610661209 has 8 divisors (see below), whose sum is σ = 173994305280. Its totient is φ = 129408261696.

The previous prime is 151610661197. The next prime is 151610661211. The reversal of 151610661209 is 902166016151.

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

It is not a de Polignac number, because 151610661209 - 2²⁸ = 151342225753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (151610661509) 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, 45309344 + ... + 45312689.

It is an arithmetic number, because the mean of its divisors is an integer number (21749288160).

Almost surely, 2^151610661209 is an apocalyptic number.

It is an amenable number.

151610661209 is a deficient number, since it is larger than the sum of its proper divisors (22383644071).

151610661209 is an equidigital number, since it uses as much as digits as its factorization.

151610661209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90622279.

The product of its (nonzero) digits is 19440, while the sum is 38.

The spelling of 151610661209 in words is "one hundred fifty-one billion, six hundred ten million, six hundred sixty-one thousand, two hundred nine".