155933420607 has 6 divisors (see below), whose sum is σ = 225237163112. Its totient is φ = 103955613732.

The previous prime is 155933420521. The next prime is 155933420611. The reversal of 155933420607 is 706024339551.

155933420607 is a `hidden beast` number, since 1 + 5 + 5 + 9 + 3 + 34 + 2 + 0 + 607 = 666.

It is not a de Polignac number, because 155933420607 - 2⁷ = 155933420479 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 (155933420107) 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, 8662967803 + ... + 8662967820.

Almost surely, 2^155933420607 is an apocalyptic number.

155933420607 is a deficient number, since it is larger than the sum of its proper divisors (69303742505).

155933420607 is a wasteful number, since it uses less digits than its factorization.

155933420607 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17325935629 (or 17325935626 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 155933420607 in words is "one hundred fifty-five billion, nine hundred thirty-three million, four hundred twenty thousand, six hundred seven".