165151261655102 has 8 divisors (see below), whose sum is σ = 260765149981800. Its totient is φ = 78229544994504.

The previous prime is 165151261655101. The next prime is 165151261655131. The reversal of 165151261655102 is 201556162151561.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165151261655101) 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, 2173042916477 + ... + 2173042916552.

It is an arithmetic number, because the mean of its divisors is an integer number (32595643747725).

Almost surely, 2^{165151261655102} is an apocalyptic number.

165151261655102 is a deficient number, since it is larger than the sum of its proper divisors (95613888326698).

165151261655102 is a wasteful number, since it uses less digits than its factorization.

165151261655102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346085833050.

The product of its (nonzero) digits is 540000, while the sum is 47.

The spelling of 165151261655102 in words is "one hundred sixty-five trillion, one hundred fifty-one billion, two hundred sixty-one million, six hundred fifty-five thousand, one hundred two".