2156735366 has 8 divisors (see below), whose sum is σ = 3256815600. Its totient is φ = 1071130168.

The previous prime is 2156735327. The next prime is 2156735381. The reversal of 2156735366 is 6635376512.

It is a happy number.

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, 3618386 + ... + 3618981.

It is an arithmetic number, because the mean of its divisors is an integer number (407101950).

Almost surely, 2^2156735366 is an apocalyptic number.

2156735366 is a deficient number, since it is larger than the sum of its proper divisors (1100080234).

2156735366 is a wasteful number, since it uses less digits than its factorization.

2156735366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7237518.

The product of its digits is 680400, while the sum is 44.

The square root of 2156735366 is about 46440.6650038520. The cubic root of 2156735366 is about 1292.0092411324.

The spelling of 2156735366 in words is "two billion, one hundred fifty-six million, seven hundred thirty-five thousand, three hundred sixty-six".