116628142257 has 24 divisors (see below), whose sum is σ = 184492807200. Its totient is φ = 70408673280.

The previous prime is 116628142109. The next prime is 116628142307. The reversal of 116628142257 is 752241826611.

116628142257 is a `hidden beast` number, since 1 + 1 + 6 + 628 + 14 + 2 + 2 + 5 + 7 = 666.

It is not a de Polignac number, because 116628142257 - 2¹⁸ = 116627880113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (116628182257) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2266507 + ... + 2317392.

It is an arithmetic number, because the mean of its divisors is an integer number (7687200300).

Almost surely, 2^116628142257 is an apocalyptic number.

It is an amenable number.

116628142257 is a deficient number, since it is larger than the sum of its proper divisors (67864664943).

116628142257 is a wasteful number, since it uses less digits than its factorization.

116628142257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4584173 (or 4584170 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

Adding to 116628142257 its reverse (752241826611), we get a palindrome (868869968868).

The spelling of 116628142257 in words is "one hundred sixteen billion, six hundred twenty-eight million, one hundred forty-two thousand, two hundred fifty-seven".