21100162014 has 32 divisors (see below), whose sum is σ = 46897678080. Its totient is φ = 7032123000.

The previous prime is 21100162007. The next prime is 21100162037. The reversal of 21100162014 is 41026100112.

21100162014 is a `hidden beast` number, since 21 + 10 + 0 + 1 + 620 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 296839 + ... + 360989.

It is an arithmetic number, because the mean of its divisors is an integer number (1465552440).

Almost surely, 2^21100162014 is an apocalyptic number.

21100162014 is an abundant number, since it is smaller than the sum of its proper divisors (25797516066).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21100162014 is a wasteful number, since it uses less digits than its factorization.

21100162014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70253 (or 70247 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 21100162014 its reverse (41026100112), we get a palindrome (62126262126).

The spelling of 21100162014 in words is "twenty-one billion, one hundred million, one hundred sixty-two thousand, fourteen".