42167167551 has 6 divisors (see below), whose sum is σ = 60908130920. Its totient is φ = 28111445028.

The previous prime is 42167167517. The next prime is 42167167561. The reversal of 42167167551 is 15576176124.

42167167551 is a `hidden beast` number, since 4 + 21 + 6 + 71 + 6 + 7 + 551 = 666.

It is not a de Polignac number, because 42167167551 - 2¹⁴ = 42167151167 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42167167497 and 42167167506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42167167561) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2342620411 + ... + 2342620428.

Almost surely, 2^42167167551 is an apocalyptic number.

42167167551 is a deficient number, since it is larger than the sum of its proper divisors (18740963369).

42167167551 is a wasteful number, since it uses less digits than its factorization.

42167167551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685240845 (or 4685240842 counting only the distinct ones).

The product of its digits is 352800, while the sum is 45.

The spelling of 42167167551 in words is "forty-two billion, one hundred sixty-seven million, one hundred sixty-seven thousand, five hundred fifty-one".