1630506706 has 8 divisors (see below), whose sum is σ = 2445934464. Its totient is φ = 815195220.

The previous prime is 1630506673. The next prime is 1630506749. The reversal of 1630506706 is 6076050361.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29991 + ... + 64501.

It is an arithmetic number, because the mean of its divisors is an integer number (305741808).

Almost surely, 2^1630506706 is an apocalyptic number.

1630506706 is a deficient number, since it is larger than the sum of its proper divisors (815427758).

1630506706 is a wasteful number, since it uses less digits than its factorization.

1630506706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58136.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1630506706 is about 40379.5332563416. The cubic root of 1630506706 is about 1176.9938577447.

The spelling of 1630506706 in words is "one billion, six hundred thirty million, five hundred six thousand, seven hundred six".