7663199406 has 32 divisors (see below), whose sum is σ = 15552062208. Its totient is φ = 2516834880.

The previous prime is 7663199399. The next prime is 7663199413. The reversal of 7663199406 is 6049913667.

It is an interprime number because it is at equal distance from previous prime (7663199399) and next prime (7663199413).

It is a super-2 number, since 2×7663199406² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 807666 + ... + 817098.

It is an arithmetic number, because the mean of its divisors is an integer number (486001944).

Almost surely, 2^7663199406 is an apocalyptic number.

7663199406 is an abundant number, since it is smaller than the sum of its proper divisors (7888862802).

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

7663199406 is a wasteful number, since it uses less digits than its factorization.

7663199406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11416.

The product of its (nonzero) digits is 1469664, while the sum is 51.

The square root of 7663199406 is about 87539.7018843450. The cubic root of 7663199406 is about 1971.5299345413.

The spelling of 7663199406 in words is "seven billion, six hundred sixty-three million, one hundred ninety-nine thousand, four hundred six".