1672218104 has 8 divisors (see below), whose sum is σ = 3135408960. Its totient is φ = 836109048.

The previous prime is 1672218083. The next prime is 1672218109. The reversal of 1672218104 is 4018122761.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1672218109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104513624 + ... + 104513639.

It is an arithmetic number, because the mean of its divisors is an integer number (391926120).

Almost surely, 2^1672218104 is an apocalyptic number.

It is an amenable number.

1672218104 is a deficient number, since it is larger than the sum of its proper divisors (1463190856).

1672218104 is a wasteful number, since it uses less digits than its factorization.

1672218104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209027269 (or 209027265 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 1672218104 is about 40892.7634673911. The cubic root of 1672218104 is about 1186.9460339746.

The spelling of 1672218104 in words is "one billion, six hundred seventy-two million, two hundred eighteen thousand, one hundred four".