616138053 has 8 divisors (see below), whose sum is σ = 857235648. Its totient is φ = 392899584.

The previous prime is 616138049. The next prime is 616138067. The reversal of 616138053 is 350831616.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 616138053 - 2² = 616138049 is a prime.

It is a super-2 number, since 2×616138053² = 759252200709261618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (616138153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464700 + ... + 4464837.

It is an arithmetic number, because the mean of its divisors is an integer number (107154456).

Almost surely, 2^616138053 is an apocalyptic number.

It is an amenable number.

616138053 is a deficient number, since it is larger than the sum of its proper divisors (241097595).

616138053 is a wasteful number, since it uses less digits than its factorization.

616138053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8929563.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 616138053 is about 24822.1282931178. The cubic root of 616138053 is about 850.9277312360.

Adding to 616138053 its reverse (350831616), we get a palindrome (966969669).

The spelling of 616138053 in words is "six hundred sixteen million, one hundred thirty-eight thousand, fifty-three".