2156334364 has 48 divisors (see below), whose sum is σ = 3998030400. Its totient is φ = 1015579136.

The previous prime is 2156334337. The next prime is 2156334391. The reversal of 2156334364 is 4634336512.

It is an interprime number because it is at equal distance from previous prime (2156334337) and next prime (2156334391).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3184794 + ... + 3185470.

It is an arithmetic number, because the mean of its divisors is an integer number (83292300).

Almost surely, 2^2156334364 is an apocalyptic number.

It is an amenable number.

2156334364 is a deficient number, since it is larger than the sum of its proper divisors (1841696036).

2156334364 is a wasteful number, since it uses less digits than its factorization.

2156334364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1182 (or 1180 counting only the distinct ones).

The product of its digits is 155520, while the sum is 37.

The square root of 2156334364 is about 46436.3474446473. The cubic root of 2156334364 is about 1291.9291617045.

The spelling of 2156334364 in words is "two billion, one hundred fifty-six million, three hundred thirty-four thousand, three hundred sixty-four".