20156516414 has 8 divisors (see below), whose sum is σ = 30315834120. Its totient is φ = 10051238376.

The previous prime is 20156516357. The next prime is 20156516449. The reversal of 20156516414 is 41461565102.

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

It is a Curzon number.

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, 13508984 + ... + 13510475.

It is an arithmetic number, because the mean of its divisors is an integer number (3789479265).

Almost surely, 2^20156516414 is an apocalyptic number.

20156516414 is a deficient number, since it is larger than the sum of its proper divisors (10159317706).

20156516414 is a wasteful number, since it uses less digits than its factorization.

20156516414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27019834.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 20156516414 in words is "twenty billion, one hundred fifty-six million, five hundred sixteen thousand, four hundred fourteen".