661050422 has 8 divisors (see below), whose sum is σ = 991767000. Its totient is φ = 330461424.

The previous prime is 661050419. The next prime is 661050449. The reversal of 661050422 is 224050166.

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

It is a junction number, because it is equal to n+sod(n) for n = 661050391 and 661050400.

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, 17672 + ... + 40427.

It is an arithmetic number, because the mean of its divisors is an integer number (123970875).

Almost surely, 2^661050422 is an apocalyptic number.

661050422 is a deficient number, since it is larger than the sum of its proper divisors (330716578).

661050422 is a wasteful number, since it uses less digits than its factorization.

661050422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63790.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 661050422 is about 25710.9008399161. The cubic root of 661050422 is about 871.1204228374.

The spelling of 661050422 in words is "six hundred sixty-one million, fifty thousand, four hundred twenty-two".