155163406 has 8 divisors (see below), whose sum is σ = 232798464. Its totient is φ = 77563920.

The previous prime is 155163397. The next prime is 155163413. The reversal of 155163406 is 604361551.

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

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, 10291 + ... + 20401.

It is an arithmetic number, because the mean of its divisors is an integer number (29099808).

Almost surely, 2^155163406 is an apocalyptic number.

155163406 is a deficient number, since it is larger than the sum of its proper divisors (77635058).

155163406 is a wasteful number, since it uses less digits than its factorization.

155163406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17786.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 155163406 is about 12456.4604121717. The cubic root of 155163406 is about 537.3572359980.

The spelling of 155163406 in words is "one hundred fifty-five million, one hundred sixty-three thousand, four hundred six".