16201623984 has 80 divisors (see below), whose sum is σ = 51512869632. Its totient is φ = 4272954624.

The previous prime is 16201623983. The next prime is 16201624003. The reversal of 16201623984 is 48932610261.

It is a super-3 number, since 3×16201623984³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (16201623983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1850214 + ... + 1858949.

Almost surely, 2^16201623984 is an apocalyptic number.

16201623984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

16201623984 is an abundant number, since it is smaller than the sum of its proper divisors (35311245648).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

16201623984 is a wasteful number, since it uses less digits than its factorization.

16201623984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3709194 (or 3709188 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The spelling of 16201623984 in words is "sixteen billion, two hundred one million, six hundred twenty-three thousand, nine hundred eighty-four".