164140796542 has 8 divisors (see below), whose sum is σ = 252216346032. Its totient is φ = 80068681200.

The previous prime is 164140796527. The next prime is 164140796551. The reversal of 164140796542 is 245697041461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1000858434 + ... + 1000858597.

It is an arithmetic number, because the mean of its divisors is an integer number (31527043254).

Almost surely, 2^164140796542 is an apocalyptic number.

164140796542 is a deficient number, since it is larger than the sum of its proper divisors (88075549490).

164140796542 is a wasteful number, since it uses less digits than its factorization.

164140796542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001717074.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 164140796542 in words is "one hundred sixty-four billion, one hundred forty million, seven hundred ninety-six thousand, five hundred forty-two".