21416036001 has 16 divisors (see below), whose sum is σ = 29560823808. Its totient is φ = 13776958800.

The previous prime is 21416035987. The next prime is 21416036053. The reversal of 21416036001 is 10063061412.

It is not a de Polignac number, because 21416036001 - 2¹⁰ = 21416034977 is a prime.

It is a super-2 number, since 2×21416036001² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (21416036101) 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, 299545 + ... + 364086.

It is an arithmetic number, because the mean of its divisors is an integer number (1847551488).

Almost surely, 2^21416036001 is an apocalyptic number.

It is an amenable number.

21416036001 is a deficient number, since it is larger than the sum of its proper divisors (8144787807).

21416036001 is a wasteful number, since it uses less digits than its factorization.

21416036001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664012.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 21416036001 its reverse (10063061412), we get a palindrome (31479097413).

The spelling of 21416036001 in words is "twenty-one billion, four hundred sixteen million, thirty-six thousand, one".