165401670134134 has 16 divisors (see below), whose sum is σ = 283553490971808. Its totient is φ = 70884487372032.

The previous prime is 165401670134117. The next prime is 165401670134143. The reversal of 165401670134134 is 431431076104561.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161361307 + ... + 162383110.

It is an arithmetic number, because the mean of its divisors is an integer number (17722093185738).

Almost surely, 2^{165401670134134} is an apocalyptic number.

165401670134134 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

165401670134134 is a deficient number, since it is larger than the sum of its proper divisors (118151820837674).

165401670134134 is a wasteful number, since it uses less digits than its factorization.

165401670134134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323780919.

The product of its (nonzero) digits is 725760, while the sum is 46.

The spelling of 165401670134134 in words is "one hundred sixty-five trillion, four hundred one billion, six hundred seventy million, one hundred thirty-four thousand, one hundred thirty-four".