1669472996 has 12 divisors (see below), whose sum is σ = 2922259452. Its totient is φ = 834541728.

The previous prime is 1669472993. The next prime is 1669472999. The reversal of 1669472996 is 6992749661.

It is an interprime number because it is at equal distance from previous prime (1669472993) and next prime (1669472999).

It can be written as a sum of positive squares in 2 ways, for example, as 804289600 + 865183396 = 28360^2 + 29414^2 .

It is not an unprimeable number, because it can be changed into a prime (1669472993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28475 + ... + 64418.

It is an arithmetic number, because the mean of its divisors is an integer number (243521621).

Almost surely, 2^1669472996 is an apocalyptic number.

It is an amenable number.

1669472996 is a deficient number, since it is larger than the sum of its proper divisors (1252786456).

1669472996 is a wasteful number, since it uses less digits than its factorization.

1669472996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97390 (or 97388 counting only the distinct ones).

The product of its digits is 8817984, while the sum is 59.

The square root of 1669472996 is about 40859.1849649500. The cubic root of 1669472996 is about 1186.2961826166.

The spelling of 1669472996 in words is "one billion, six hundred sixty-nine million, four hundred seventy-two thousand, nine hundred ninety-six".