1367667641 has 16 divisors (see below), whose sum is σ = 1446145536. Its totient is φ = 1291680000.

The previous prime is 1367667577. The next prime is 1367667647. The reversal of 1367667641 is 1467667631.

It is a cyclic number.

It is not a de Polignac number, because 1367667641 - 2⁶ = 1367667577 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1367667647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244961 + ... + 250481.

It is an arithmetic number, because the mean of its divisors is an integer number (90384096).

Almost surely, 2^1367667641 is an apocalyptic number.

It is an amenable number.

1367667641 is a deficient number, since it is larger than the sum of its proper divisors (78477895).

1367667641 is a wasteful number, since it uses less digits than its factorization.

1367667641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5744.

The product of its digits is 762048, while the sum is 47.

The square root of 1367667641 is about 36981.9907657768. The cubic root of 1367667641 is about 1110.0099127973.

The spelling of 1367667641 in words is "one billion, three hundred sixty-seven million, six hundred sixty-seven thousand, six hundred forty-one".