551622164542 has 8 divisors (see below), whose sum is σ = 827782234632. Its totient is φ = 275694753000.

The previous prime is 551622164539. The next prime is 551622164551. The reversal of 551622164542 is 245461226155.

It is a happy number.

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

It is a super-3 number, since 3×551622164542³ (a number of 36 digits) contains 333 as substring.

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, 58158709 + ... + 58168192.

It is an arithmetic number, because the mean of its divisors is an integer number (103472779329).

Almost surely, 2^551622164542 is an apocalyptic number.

551622164542 is a deficient number, since it is larger than the sum of its proper divisors (276160070090).

551622164542 is a wasteful number, since it uses less digits than its factorization.

551622164542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116329274.

The product of its digits is 576000, while the sum is 43.

The spelling of 551622164542 in words is "five hundred fifty-one billion, six hundred twenty-two million, one hundred sixty-four thousand, five hundred forty-two".