157665061366 has 8 divisors (see below), whose sum is σ = 244652681520. Its totient is φ = 76114167528.

The previous prime is 157665061343. The next prime is 157665061373. The reversal of 157665061366 is 663160566751.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1359181506 + ... + 1359181621.

It is an arithmetic number, because the mean of its divisors is an integer number (30581585190).

Almost surely, 2^157665061366 is an apocalyptic number.

157665061366 is a deficient number, since it is larger than the sum of its proper divisors (86987620154).

157665061366 is a wasteful number, since it uses less digits than its factorization.

157665061366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2718363158.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 157665061366 in words is "one hundred fifty-seven billion, six hundred sixty-five million, sixty-one thousand, three hundred sixty-six".