1641712472 has 8 divisors (see below), whose sum is σ = 3078210900. Its totient is φ = 820856232.

The previous prime is 1641712463. The next prime is 1641712489. The reversal of 1641712472 is 2742171461.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×1641712472³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 102607022 + ... + 102607037.

Almost surely, 2^1641712472 is an apocalyptic number.

It is an amenable number.

1641712472 is a deficient number, since it is larger than the sum of its proper divisors (1436498428).

1641712472 is a wasteful number, since it uses less digits than its factorization.

1641712472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 205214065 (or 205214061 counting only the distinct ones).

The product of its digits is 18816, while the sum is 35.

The square root of 1641712472 is about 40518.0511870944. The cubic root of 1641712472 is about 1179.6840272437.

The spelling of 1641712472 in words is "one billion, six hundred forty-one million, seven hundred twelve thousand, four hundred seventy-two".