1669438374630 has 32 divisors (see below), whose sum is σ = 4314856107744. Its totient is φ = 410938676736.

The previous prime is 1669438374563. The next prime is 1669438374673. The reversal of 1669438374630 is 364738349661.

It is a happy number.

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, 2140305219 + ... + 2140305998.

It is an arithmetic number, because the mean of its divisors is an integer number (134839253367).

Almost surely, 2^{1669438374630} is an apocalyptic number.

1669438374630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1669438374630 is an abundant number, since it is smaller than the sum of its proper divisors (2645417733114).

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

1669438374630 is a wasteful number, since it uses less digits than its factorization.

1669438374630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280611240.

The product of its (nonzero) digits is 47029248, while the sum is 60.

The spelling of 1669438374630 in words is "one trillion, six hundred sixty-nine billion, four hundred thirty-eight million, three hundred seventy-four thousand, six hundred thirty".