155661650562106 has 64 divisors (see below), whose sum is σ = 258219373450752. Its totient is φ = 69919536960000.

The previous prime is 155661650562017. The next prime is 155661650562113. The reversal of 155661650562106 is 601265056166551.

It is a super-3 number, since 3×155661650562106³ (a number of 44 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 709666191 + ... + 709885501.

It is an arithmetic number, because the mean of its divisors is an integer number (4034677710168).

Almost surely, 2^{155661650562106} is an apocalyptic number.

155661650562106 is a deficient number, since it is larger than the sum of its proper divisors (102557722888646).

155661650562106 is a wasteful number, since it uses less digits than its factorization.

155661650562106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220999.

The product of its (nonzero) digits is 9720000, while the sum is 55.

The spelling of 155661650562106 in words is "one hundred fifty-five trillion, six hundred sixty-one billion, six hundred fifty million, five hundred sixty-two thousand, one hundred six".