16631210156146 has 8 divisors (see below), whose sum is σ = 25009653560940. Its totient is φ = 8294658969168.

The previous prime is 16631210156123. The next prime is 16631210156161. The reversal of 16631210156146 is 64165101213661.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13211443910025 + 3419766246121 = 3634755^2 + 1849261^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10473053461 + ... + 10473055048.

Almost surely, 2^{16631210156146} is an apocalyptic number.

16631210156146 is a deficient number, since it is larger than the sum of its proper divisors (8378443404794).

16631210156146 is a wasteful number, since it uses less digits than its factorization.

16631210156146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20946108908.

The product of its (nonzero) digits is 155520, while the sum is 43.

The spelling of 16631210156146 in words is "sixteen trillion, six hundred thirty-one billion, two hundred ten million, one hundred fifty-six thousand, one hundred forty-six".