6212561111662 has 4 divisors (see below), whose sum is σ = 9318841667496. Its totient is φ = 3106280555830.

The previous prime is 6212561111633. The next prime is 6212561111671. The reversal of 6212561111662 is 2661111652126.

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

It is a super-2 number, since 2×6212561111662² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1553140277914 + ... + 1553140277917.

It is an arithmetic number, because the mean of its divisors is an integer number (2329710416874).

Almost surely, 2^{6212561111662} is an apocalyptic number.

6212561111662 is a deficient number, since it is larger than the sum of its proper divisors (3106280555834).

6212561111662 is a wasteful number, since it uses less digits than its factorization.

6212561111662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3106280555833.

The product of its digits is 51840, while the sum is 40.

Adding to 6212561111662 its reverse (2661111652126), we get a palindrome (8873672763788).

The spelling of 6212561111662 in words is "six trillion, two hundred twelve billion, five hundred sixty-one million, one hundred eleven thousand, six hundred sixty-two".