161139393271462 has 32 divisors (see below), whose sum is σ = 261194354628480. Its totient is φ = 74308039168320.

The previous prime is 161139393271343. The next prime is 161139393271477. The reversal of 161139393271462 is 264172393931161.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 161139393271397 and 161139393271406.

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, 110008048 + ... + 111463219.

It is an arithmetic number, because the mean of its divisors is an integer number (8162323582140).

Almost surely, 2^{161139393271462} is an apocalyptic number.

161139393271462 is a deficient number, since it is larger than the sum of its proper divisors (100054961357018).

161139393271462 is a wasteful number, since it uses less digits than its factorization.

161139393271462 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221471796.

The product of its digits is 8817984, while the sum is 58.

The spelling of 161139393271462 in words is "one hundred sixty-one trillion, one hundred thirty-nine billion, three hundred ninety-three million, two hundred seventy-one thousand, four hundred sixty-two".