66022420149 has 24 divisors (see below), whose sum is σ = 109009102592. Its totient is φ = 37720274400.

The previous prime is 66022420109. The next prime is 66022420151. The reversal of 66022420149 is 94102422066.

66022420149 is a `hidden beast` number, since 6 + 602 + 2 + 4 + 2 + 0 + 1 + 49 = 666.

It is not a de Polignac number, because 66022420149 - 2¹³ = 66022411957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (66022420109) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 267252 + ... + 451074.

Almost surely, 2^66022420149 is an apocalyptic number.

It is an amenable number.

66022420149 is a deficient number, since it is larger than the sum of its proper divisors (42986682443).

66022420149 is a wasteful number, since it uses less digits than its factorization.

66022420149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189537 (or 189534 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 66022420149 in words is "sixty-six billion, twenty-two million, four hundred twenty thousand, one hundred forty-nine".