1672415144 has 8 divisors (see below), whose sum is σ = 3135778410. Its totient is φ = 836207568.

The previous prime is 1672415117. The next prime is 1672415161. The reversal of 1672415144 is 4415142761.

It can be written as a sum of positive squares in only one way, i.e., 1665456100 + 6959044 = 40810^2 + 2638^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 104525939 + ... + 104525954.

Almost surely, 2^1672415144 is an apocalyptic number.

It is an amenable number.

1672415144 is a deficient number, since it is larger than the sum of its proper divisors (1463363266).

1672415144 is a wasteful number, since it uses less digits than its factorization.

1672415144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209051899 (or 209051895 counting only the distinct ones).

The product of its digits is 26880, while the sum is 35.

The square root of 1672415144 is about 40895.1726246509. The cubic root of 1672415144 is about 1186.9926520285.

The spelling of 1672415144 in words is "one billion, six hundred seventy-two million, four hundred fifteen thousand, one hundred forty-four".