2156133241464 has 32 divisors (see below), whose sum is σ = 5390465829120. Its totient is φ = 718693383776.

The previous prime is 2156133241463. The next prime is 2156133241481. The reversal of 2156133241464 is 4641423316512.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2156133241463) 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, 92064 + ... + 2078639.

It is an arithmetic number, because the mean of its divisors is an integer number (168452057160).

Almost surely, 2^{2156133241464} is an apocalyptic number.

2156133241464 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2156133241464 is an abundant number, since it is smaller than the sum of its proper divisors (3234332587656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2156133241464 is a wasteful number, since it uses less digits than its factorization.

2156133241464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2212099 (or 2212095 counting only the distinct ones).

The product of its digits is 414720, while the sum is 42.

Adding to 2156133241464 its reverse (4641423316512), we get a palindrome (6797556557976).

The spelling of 2156133241464 in words is "two trillion, one hundred fifty-six billion, one hundred thirty-three million, two hundred forty-one thousand, four hundred sixty-four".