5401667864 has 8 divisors (see below), whose sum is σ = 10128127260. Its totient is φ = 2700833928.

The previous prime is 5401667857. The next prime is 5401667867. The reversal of 5401667864 is 4687661045.

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 (5401667867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337604234 + ... + 337604249.

Almost surely, 2^5401667864 is an apocalyptic number.

It is an amenable number.

5401667864 is a deficient number, since it is larger than the sum of its proper divisors (4726459396).

5401667864 is a wasteful number, since it uses less digits than its factorization.

5401667864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 675208489 (or 675208485 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The square root of 5401667864 is about 73496.0397844673. The cubic root of 5401667864 is about 1754.5912489244.

The spelling of 5401667864 in words is "five billion, four hundred one million, six hundred sixty-seven thousand, eight hundred sixty-four".