211162001492 has 24 divisors (see below), whose sum is σ = 400259515656. Its totient is φ = 96896032128.

The previous prime is 211162001437. The next prime is 211162001513. The reversal of 211162001492 is 294100261112.

It can be written as a sum of positive squares in 4 ways, for example, as 24162837136 + 186999164356 = 155444^2 + 432434^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11727443 + ... + 11745434.

It is an arithmetic number, because the mean of its divisors is an integer number (16677479819).

Almost surely, 2^211162001492 is an apocalyptic number.

It is an amenable number.

211162001492 is a deficient number, since it is larger than the sum of its proper divisors (189097514164).

211162001492 is a wasteful number, since it uses less digits than its factorization.

211162001492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23473067 (or 23473065 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The spelling of 211162001492 in words is "two hundred eleven billion, one hundred sixty-two million, one thousand, four hundred ninety-two".