201124651662 has 96 divisors (see below), whose sum is σ = 479952884736. Its totient is φ = 60362131200.

The previous prime is 201124651661. The next prime is 201124651711. The reversal of 201124651662 is 266156421102.

201124651662 is a `hidden beast` number, since 20 + 1 + 12 + 465 + 166 + 2 = 666.

It is a super-2 number, since 2×201124651662² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201124651661) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 40785337 + ... + 40790267.

It is an arithmetic number, because the mean of its divisors is an integer number (4999509216).

Almost surely, 2^201124651662 is an apocalyptic number.

201124651662 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 201124651662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (239976442368).

201124651662 is an abundant number, since it is smaller than the sum of its proper divisors (278828233074).

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

201124651662 is a wasteful number, since it uses less digits than its factorization.

201124651662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6886 (or 6883 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 201124651662 in words is "two hundred one billion, one hundred twenty-four million, six hundred fifty-one thousand, six hundred sixty-two".