155151561606 has 8 divisors (see below), whose sum is σ = 310303123224. Its totient is φ = 51717187200.

The previous prime is 155151561601. The next prime is 155151561619. The reversal of 155151561606 is 606165151551.

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

155151561606 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155151561601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12929296795 + ... + 12929296806.

It is an arithmetic number, because the mean of its divisors is an integer number (38787890403).

Almost surely, 2^155151561606 is an apocalyptic number.

155151561606 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

155151561606 is a wasteful number, since it uses less digits than its factorization.

155151561606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25858593606.

The product of its (nonzero) digits is 135000, while the sum is 42.

The spelling of 155151561606 in words is "one hundred fifty-five billion, one hundred fifty-one million, five hundred sixty-one thousand, six hundred six".