2151068366 has 8 divisors (see below), whose sum is σ = 3274761000. Its totient is φ = 1059481368.

The previous prime is 2151068363. The next prime is 2151068369. The reversal of 2151068366 is 6638601512.

It is an interprime number because it is at equal distance from previous prime (2151068363) and next prime (2151068369).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2151068363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8026241 + ... + 8026508.

It is an arithmetic number, because the mean of its divisors is an integer number (409345125).

Almost surely, 2^2151068366 is an apocalyptic number.

2151068366 is a deficient number, since it is larger than the sum of its proper divisors (1123692634).

2151068366 is a wasteful number, since it uses less digits than its factorization.

2151068366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16052818.

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 2151068366 is about 46379.6115335176. The cubic root of 2151068366 is about 1290.8766282715.

Adding to 2151068366 its reverse (6638601512), we get a palindrome (8789669878).

The spelling of 2151068366 in words is "two billion, one hundred fifty-one million, sixty-eight thousand, three hundred sixty-six".