2261267543662 has 4 divisors (see below), whose sum is σ = 3391901315496. Its totient is φ = 1130633771830.

The previous prime is 2261267543627. The next prime is 2261267543677. The reversal of 2261267543662 is 2663457621622.

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

It is a super-2 number, since 2×2261267543662² (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, 565316885914 + ... + 565316885917.

It is an arithmetic number, because the mean of its divisors is an integer number (847975328874).

Almost surely, 2^{2261267543662} is an apocalyptic number.

2261267543662 is a deficient number, since it is larger than the sum of its proper divisors (1130633771834).

2261267543662 is a wasteful number, since it uses less digits than its factorization.

2261267543662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130633771833.

The product of its digits is 8709120, while the sum is 52.

The spelling of 2261267543662 in words is "two trillion, two hundred sixty-one billion, two hundred sixty-seven million, five hundred forty-three thousand, six hundred sixty-two".