64126418 has 4 divisors (see below), whose sum is σ = 96189630. Its totient is φ = 32063208.

The previous prime is 64126411. The next prime is 64126423. The reversal of 64126418 is 81462146.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 59644729 + 4481689 = 7723^2 + 2117^2 .

It is a super-2 number, since 2×64126418² = 8224394971021448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (64126411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16031603 + ... + 16031606.

Almost surely, 2^64126418 is an apocalyptic number.

64126418 is a deficient number, since it is larger than the sum of its proper divisors (32063212).

64126418 is a wasteful number, since it uses less digits than its factorization.

64126418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32063211.

The product of its digits is 9216, while the sum is 32.

The square root of 64126418 is about 8007.8972271127. The cubic root of 64126418 is about 400.2631976129.

The spelling of 64126418 in words is "sixty-four million, one hundred twenty-six thousand, four hundred eighteen".