66122030550454 has 32 divisors (see below), whose sum is σ = 107053284519936. Its totient is φ = 30540623240160.

The previous prime is 66122030550383. The next prime is 66122030550497. The reversal of 66122030550454 is 45405503022166.

It is a super-2 number, since 2×66122030550454² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 66122030550454.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 46912197 + ... + 48301120.

It is an arithmetic number, because the mean of its divisors is an integer number (3345415141248).

Almost surely, 2^{66122030550454} is an apocalyptic number.

66122030550454 is a deficient number, since it is larger than the sum of its proper divisors (40931253969482).

66122030550454 is a wasteful number, since it uses less digits than its factorization.

66122030550454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95213860.

The product of its (nonzero) digits is 864000, while the sum is 43.

The spelling of 66122030550454 in words is "sixty-six trillion, one hundred twenty-two billion, thirty million, five hundred fifty thousand, four hundred fifty-four".