16702021401 has 24 divisors (see below), whose sum is σ = 24126046560. Its totient is φ = 10273101696.

The previous prime is 16702021397. The next prime is 16702021463. The reversal of 16702021401 is 10412020761.

It is not a de Polignac number, because 16702021401 - 2² = 16702021397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16702021471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1198210 + ... + 1212068.

It is an arithmetic number, because the mean of its divisors is an integer number (1005251940).

Almost surely, 2^16702021401 is an apocalyptic number.

It is an amenable number.

16702021401 is a deficient number, since it is larger than the sum of its proper divisors (7424025159).

16702021401 is a wasteful number, since it uses less digits than its factorization.

16702021401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16265 (or 16252 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 24.

The spelling of 16702021401 in words is "sixteen billion, seven hundred two million, twenty-one thousand, four hundred one".