1667142104 has 16 divisors (see below), whose sum is σ = 3158118600. Its totient is φ = 824977152.

The previous prime is 1667142101. The next prime is 1667142109. The reversal of 1667142104 is 4012417661.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1667142101) 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, 1073414 + ... + 1074965.

Almost surely, 2^1667142104 is an apocalyptic number.

It is an amenable number.

1667142104 is a deficient number, since it is larger than the sum of its proper divisors (1490976496).

1667142104 is a wasteful number, since it uses less digits than its factorization.

1667142104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148482 (or 2148478 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 1667142104 is about 40830.6515255390. The cubic root of 1667142104 is about 1185.7438294362.

Adding to 1667142104 its reverse (4012417661), we get a palindrome (5679559765).

The spelling of 1667142104 in words is "one billion, six hundred sixty-seven million, one hundred forty-two thousand, one hundred four".