16428951901 has 8 divisors (see below), whose sum is σ = 17355182400. Its totient is φ = 15508876320.

The previous prime is 16428951881. The next prime is 16428951947. The reversal of 16428951901 is 10915982461.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 16428951901 - 2²⁷ = 16294734173 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (16428951971) 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, 1533241 + ... + 1543918.

It is an arithmetic number, because the mean of its divisors is an integer number (2169397800).

Almost surely, 2^16428951901 is an apocalyptic number.

It is an amenable number.

16428951901 is a deficient number, since it is larger than the sum of its proper divisors (926230499).

16428951901 is a wasteful number, since it uses less digits than its factorization.

16428951901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3077459.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 16428951901 in words is "sixteen billion, four hundred twenty-eight million, nine hundred fifty-one thousand, nine hundred one".