5621261662 has 8 divisors (see below), whose sum is σ = 8455779936. Its totient is φ = 2802668352.

The previous prime is 5621261623. The next prime is 5621261671. The reversal of 5621261662 is 2661621265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3980358 + ... + 3981769.

It is an arithmetic number, because the mean of its divisors is an integer number (1056972492).

Almost surely, 2^5621261662 is an apocalyptic number.

5621261662 is a deficient number, since it is larger than the sum of its proper divisors (2834518274).

5621261662 is a wasteful number, since it uses less digits than its factorization.

5621261662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7962482.

The product of its digits is 51840, while the sum is 37.

The square root of 5621261662 is about 74975.0736044987. The cubic root of 5621261662 is about 1778.0525836180.

The spelling of 5621261662 in words is "five billion, six hundred twenty-one million, two hundred sixty-one thousand, six hundred sixty-two".