1640116622 has 4 divisors (see below), whose sum is σ = 2460174936. Its totient is φ = 820058310.

The previous prime is 1640116607. The next prime is 1640116631. The reversal of 1640116622 is 2266110461.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 410029154 + ... + 410029157.

It is an arithmetic number, because the mean of its divisors is an integer number (615043734).

Almost surely, 2^1640116622 is an apocalyptic number.

1640116622 is a deficient number, since it is larger than the sum of its proper divisors (820058314).

1640116622 is an equidigital number, since it uses as much as digits as its factorization.

1640116622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820058313.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1640116622 is about 40498.3533245489. The cubic root of 1640116622 is about 1179.3016604328.

The spelling of 1640116622 in words is "one billion, six hundred forty million, one hundred sixteen thousand, six hundred twenty-two".