7211163402 has 16 divisors (see below), whose sum is σ = 16024807680. Its totient is φ = 2403721116.

The previous prime is 7211163397. The next prime is 7211163409. The reversal of 7211163402 is 2043611127.

7211163402 is a `hidden beast` number, since 7 + 21 + 1 + 1 + 634 + 0 + 2 = 666.

It is a super-2 number, since 2×7211163402² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (7211163409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66769978 + ... + 66770085.

It is an arithmetic number, because the mean of its divisors is an integer number (1001550480).

Almost surely, 2^7211163402 is an apocalyptic number.

7211163402 is an abundant number, since it is smaller than the sum of its proper divisors (8813644278).

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

7211163402 is a wasteful number, since it uses less digits than its factorization.

7211163402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133540074 (or 133540068 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 7211163402 is about 84918.5692413620. The cubic root of 7211163402 is about 1931.9762303700.

Adding to 7211163402 its reverse (2043611127), we get a palindrome (9254774529).

The spelling of 7211163402 in words is "seven billion, two hundred eleven million, one hundred sixty-three thousand, four hundred two".