16001402977 has 8 divisors (see below), whose sum is σ = 18293020992. Its totient is φ = 13711210800.

The previous prime is 16001402971. The next prime is 16001402999. The reversal of 16001402977 is 77920410061.

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

It is not a de Polignac number, because 16001402977 - 2¹⁹ = 16000878689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16001402971) 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, 332299 + ... + 377392.

It is an arithmetic number, because the mean of its divisors is an integer number (2286627624).

Almost surely, 2^16001402977 is an apocalyptic number.

It is an amenable number.

16001402977 is a deficient number, since it is larger than the sum of its proper divisors (2291618015).

16001402977 is an equidigital number, since it uses as much as digits as its factorization.

16001402977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 712919.

The product of its (nonzero) digits is 21168, while the sum is 37.

The spelling of 16001402977 in words is "sixteen billion, one million, four hundred two thousand, nine hundred seventy-seven".