83153665 has 8 divisors (see below), whose sum is σ = 114039360. Its totient is φ = 57019632.

The previous prime is 83153663. The next prime is 83153677. The reversal of 83153665 is 56635138.

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 83153665 - 2¹ = 83153663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83153663) 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, 1187875 + ... + 1187944.

It is an arithmetic number, because the mean of its divisors is an integer number (14254920).

Almost surely, 2^83153665 is an apocalyptic number.

It is an amenable number.

83153665 is a deficient number, since it is larger than the sum of its proper divisors (30885695).

83153665 is a wasteful number, since it uses less digits than its factorization.

83153665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2375831.

The product of its digits is 64800, while the sum is 37.

The square root of 83153665 is about 9118.8631418615. The cubic root of 83153665 is about 436.4760970069.

The spelling of 83153665 in words is "eighty-three million, one hundred fifty-three thousand, six hundred sixty-five".