116621004 has 48 divisors (see below), whose sum is σ = 280101248. Its totient is φ = 37749888.

The previous prime is 116620997. The next prime is 116621009. The reversal of 116621004 is 400126611.

It is not an unprimeable number, because it can be changed into a prime (116621009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57699 + ... + 59685.

Almost surely, 2^116621004 is an apocalyptic number.

It is an amenable number.

116621004 is an abundant number, since it is smaller than the sum of its proper divisors (163480244).

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

116621004 is a wasteful number, since it uses less digits than its factorization.

116621004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2134 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 116621004 is about 10799.1205197460. The cubic root of 116621004 is about 488.5686453305.

Adding to 116621004 its reverse (400126611), we get a palindrome (516747615).

The spelling of 116621004 in words is "one hundred sixteen million, six hundred twenty-one thousand, four".