42167167550 has 24 divisors (see below), whose sum is σ = 78476664672. Its totient is φ = 16857032000.

The previous prime is 42167167517. The next prime is 42167167561. The reversal of 42167167550 is 5576176124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 158966 + ... + 331065.

It is an arithmetic number, because the mean of its divisors is an integer number (3269861028).

Almost surely, 2^42167167550 is an apocalyptic number.

42167167550 is a deficient number, since it is larger than the sum of its proper divisors (36309497122).

42167167550 is a wasteful number, since it uses less digits than its factorization.

42167167550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491764 (or 491759 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 44.

The spelling of 42167167550 in words is "forty-two billion, one hundred sixty-seven million, one hundred sixty-seven thousand, five hundred fifty".