1213164384 has 48 divisors (see below), whose sum is σ = 3212767152. Its totient is φ = 400805888.

The previous prime is 1213164349. The next prime is 1213164409. The reversal of 1213164384 is 4834613121.

It is a tau number, because it is divible by the number of its divisors (48).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45069 + ... + 66764.

It is an arithmetic number, because the mean of its divisors is an integer number (66932649).

Almost surely, 2^1213164384 is an apocalyptic number.

It is an amenable number.

1213164384 is an abundant number, since it is smaller than the sum of its proper divisors (1999602768).

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

1213164384 is a wasteful number, since it uses less digits than its factorization.

1213164384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111959 (or 111951 counting only the distinct ones).

The product of its digits is 13824, while the sum is 33.

The square root of 1213164384 is about 34830.5093847334. The cubic root of 1213164384 is about 1066.5303468152.

The spelling of 1213164384 in words is "one billion, two hundred thirteen million, one hundred sixty-four thousand, three hundred eighty-four".