1342667668 has 12 divisors (see below), whose sum is σ = 2371225780. Its totient is φ = 665174592.

The previous prime is 1342667621. The next prime is 1342667693. The reversal of 1342667668 is 8667662431.

It can be written as a sum of positive squares in 2 ways, for example, as 860952964 + 481714704 = 29342^2 + 21948^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1539321 + ... + 1540192.

Almost surely, 2^1342667668 is an apocalyptic number.

It is an amenable number.

1342667668 is a deficient number, since it is larger than the sum of its proper divisors (1028558112).

1342667668 is a wasteful number, since it uses less digits than its factorization.

1342667668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079626 (or 3079624 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 1342667668 is about 36642.4298866765. The cubic root of 1342667668 is about 1103.2048869944.

The spelling of 1342667668 in words is "one billion, three hundred forty-two million, six hundred sixty-seven thousand, six hundred sixty-eight".