16061601651 has 8 divisors (see below), whose sum is σ = 21417299904. Its totient is φ = 10706818920.

The previous prime is 16061601631. The next prime is 16061601667. The reversal of 16061601651 is 15610616061.

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

It is not a de Polignac number, because 16061601651 - 2¹⁰ = 16061600627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16061601631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186841 + ... + 258906.

It is an arithmetic number, because the mean of its divisors is an integer number (2677162488).

Almost surely, 2^16061601651 is an apocalyptic number.

16061601651 is a deficient number, since it is larger than the sum of its proper divisors (5355698253).

16061601651 is a wasteful number, since it uses less digits than its factorization.

16061601651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457761.

The product of its (nonzero) digits is 6480, while the sum is 33.

The spelling of 16061601651 in words is "sixteen billion, sixty-one million, six hundred one thousand, six hundred fifty-one".