61772250221426 has 8 divisors (see below), whose sum is σ = 92760534513840. Its totient is φ = 30852072050148.

The previous prime is 61772250221411. The next prime is 61772250221497. The reversal of 61772250221426 is 62412205227716.

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

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, 17026528016 + ... + 17026531643.

It is an arithmetic number, because the mean of its divisors is an integer number (11595066814230).

Almost surely, 2^{61772250221426} is an apocalyptic number.

61772250221426 is a deficient number, since it is larger than the sum of its proper divisors (30988284292414).

61772250221426 is a wasteful number, since it uses less digits than its factorization.

61772250221426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34053060568.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 61772250221426 in words is "sixty-one trillion, seven hundred seventy-two billion, two hundred fifty million, two hundred twenty-one thousand, four hundred twenty-six".