1669072710 has 16 divisors (see below), whose sum is σ = 4005774576. Its totient is φ = 445086048.

The previous prime is 1669072709. The next prime is 1669072721. The reversal of 1669072710 is 172709661.

It is a super-2 number, since 2×1669072710² = 5571607422533488200, which 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 7 ways as a sum of consecutive naturals, for example, 27817849 + ... + 27817908.

It is an arithmetic number, because the mean of its divisors is an integer number (250360911).

Almost surely, 2^1669072710 is an apocalyptic number.

1669072710 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1669072710 is an abundant number, since it is smaller than the sum of its proper divisors (2336701866).

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

1669072710 is a wasteful number, since it uses less digits than its factorization.

1669072710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55635767.

The product of its (nonzero) digits is 31752, while the sum is 39.

The square root of 1669072710 is about 40854.2863112306. The cubic root of 1669072710 is about 1186.2013631313.

The spelling of 1669072710 in words is "one billion, six hundred sixty-nine million, seventy-two thousand, seven hundred ten".