64401153 has 8 divisors (see below), whose sum is σ = 86365248. Its totient is φ = 42685584.

The previous prime is 64401149. The next prime is 64401187. The reversal of 64401153 is 35110446.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 64401153 - 2² = 64401149 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64401133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61525 + ... + 62562.

It is an arithmetic number, because the mean of its divisors is an integer number (10795656).

Almost surely, 2^64401153 is an apocalyptic number.

It is an amenable number.

64401153 is a deficient number, since it is larger than the sum of its proper divisors (21964095).

64401153 is a wasteful number, since it uses less digits than its factorization.

64401153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124263.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 64401153 is about 8025.0328971288. The cubic root of 64401153 is about 400.8339953376.

Adding to 64401153 its reverse (35110446), we get a palindrome (99511599).

The spelling of 64401153 in words is "sixty-four million, four hundred one thousand, one hundred fifty-three".