164406352146742 has 32 divisors (see below), whose sum is σ = 251402261108544. Its totient is φ = 80618496268800.

The previous prime is 164406352146739. The next prime is 164406352146791. The reversal of 164406352146742 is 247641253604461.

It is a super-3 number, since 3×164406352146742³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31347378 + ... + 36214234.

It is an arithmetic number, because the mean of its divisors is an integer number (7856320659642).

Almost surely, 2^{164406352146742} is an apocalyptic number.

164406352146742 is a deficient number, since it is larger than the sum of its proper divisors (86995908961802).

164406352146742 is a wasteful number, since it uses less digits than its factorization.

164406352146742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4868184.

The product of its (nonzero) digits is 23224320, while the sum is 55.

The spelling of 164406352146742 in words is "one hundred sixty-four trillion, four hundred six billion, three hundred fifty-two million, one hundred forty-six thousand, seven hundred forty-two".