21466801414 has 8 divisors (see below), whose sum is σ = 33070477968. Its totient is φ = 10443308760.

The previous prime is 21466801373. The next prime is 21466801469. The reversal of 21466801414 is 41410866412.

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

It is a super-2 number, since 2×21466801414² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

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, 145045882 + ... + 145046029.

It is an arithmetic number, because the mean of its divisors is an integer number (4133809746).

Almost surely, 2^21466801414 is an apocalyptic number.

21466801414 is a deficient number, since it is larger than the sum of its proper divisors (11603676554).

21466801414 is a wasteful number, since it uses less digits than its factorization.

21466801414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290091950.

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 21466801414 in words is "twenty-one billion, four hundred sixty-six million, eight hundred one thousand, four hundred fourteen".