16627957401 has 16 divisors (see below), whose sum is σ = 24188283648. Its totient is φ = 10076648400.

The previous prime is 16627957399. The next prime is 16627957429. The reversal of 16627957401 is 10475972661.

It is not a de Polignac number, because 16627957401 - 2¹ = 16627957399 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16627957481) 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, 664446 + ... + 689016.

It is an arithmetic number, because the mean of its divisors is an integer number (1511767728).

Almost surely, 2^16627957401 is an apocalyptic number.

16627957401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

16627957401 is a deficient number, since it is larger than the sum of its proper divisors (7560326247).

16627957401 is a wasteful number, since it uses less digits than its factorization.

16627957401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45092.

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 16627957401 in words is "sixteen billion, six hundred twenty-seven million, nine hundred fifty-seven thousand, four hundred one".