8406198626 has 12 divisors (see below), whose sum is σ = 14667958998. Its totient is φ = 3602656512.

The previous prime is 8406198599. The next prime is 8406198667. The reversal of 8406198626 is 6268916048.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6249060601 + 2157138025 = 79051^2 + 46445^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 42888671 + ... + 42888866.

Almost surely, 2^8406198626 is an apocalyptic number.

8406198626 is a deficient number, since it is larger than the sum of its proper divisors (6261760372).

8406198626 is a wasteful number, since it uses less digits than its factorization.

8406198626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85777553 (or 85777546 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 50.

The square root of 8406198626 is about 91685.3239400941. The cubic root of 8406198626 is about 2033.2926113915.

The spelling of 8406198626 in words is "eight billion, four hundred six million, one hundred ninety-eight thousand, six hundred twenty-six".