21150164202262 has 4 divisors (see below), whose sum is σ = 31725246303396. Its totient is φ = 10575082101130.

The previous prime is 21150164202241. The next prime is 21150164202269. The reversal of 21150164202262 is 26220246105112.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21150164202269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5287541050564 + ... + 5287541050567.

It is an arithmetic number, because the mean of its divisors is an integer number (7931311575849).

Almost surely, 2^{21150164202262} is an apocalyptic number.

21150164202262 is a deficient number, since it is larger than the sum of its proper divisors (10575082101134).

21150164202262 is a wasteful number, since it uses less digits than its factorization.

21150164202262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10575082101133.

The product of its (nonzero) digits is 23040, while the sum is 34.

The spelling of 21150164202262 in words is "twenty-one trillion, one hundred fifty billion, one hundred sixty-four million, two hundred two thousand, two hundred sixty-two".