6121338552 has 48 divisors (see below), whose sum is σ = 18947001840. Its totient is φ = 1748953728.

The previous prime is 6121338493. The next prime is 6121338577. The reversal of 6121338552 is 2558331216.

6121338552 is a `hidden beast` number, since 61 + 2 + 13 + 38 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6072253 + ... + 6073260.

It is an arithmetic number, because the mean of its divisors is an integer number (394729205).

Almost surely, 2^6121338552 is an apocalyptic number.

It is an amenable number.

6121338552 is an abundant number, since it is smaller than the sum of its proper divisors (12825663288).

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

6121338552 is a wasteful number, since it uses less digits than its factorization.

6121338552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12145532 (or 12145525 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 6121338552 is about 78238.9835823549. The cubic root of 6121338552 is about 1829.2882011815.

Adding to 6121338552 its reverse (2558331216), we get a palindrome (8679669768).

The spelling of 6121338552 in words is "six billion, one hundred twenty-one million, three hundred thirty-eight thousand, five hundred fifty-two".