7261166662 has 4 divisors (see below), whose sum is σ = 10891749996. Its totient is φ = 3630583330.

The previous prime is 7261166623. The next prime is 7261166743. The reversal of 7261166662 is 2666611627.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2666611627 = 461 ⋅5784407.

It is a super-3 number, since 3×7261166662³ (a number of 31 digits) contains 333 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, 1815291664 + ... + 1815291667.

It is an arithmetic number, because the mean of its divisors is an integer number (2722937499).

Almost surely, 2^7261166662 is an apocalyptic number.

7261166662 is a deficient number, since it is larger than the sum of its proper divisors (3630583334).

7261166662 is a wasteful number, since it uses less digits than its factorization.

7261166662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630583333.

The product of its digits is 217728, while the sum is 43.

The square root of 7261166662 is about 85212.4794968437. The cubic root of 7261166662 is about 1936.4314834872.

The spelling of 7261166662 in words is "seven billion, two hundred sixty-one million, one hundred sixty-six thousand, six hundred sixty-two".