16425631355 has 32 divisors (see below), whose sum is σ = 24079362048. Its totient is φ = 10510790400.

The previous prime is 16425631351. The next prime is 16425631373. The reversal of 16425631355 is 55313652461.

It is not a de Polignac number, because 16425631355 - 2² = 16425631351 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is not an unprimeable number, because it can be changed into a prime (16425631351) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 215831 + ... + 281840.

It is an arithmetic number, because the mean of its divisors is an integer number (752480064).

Almost surely, 2^16425631355 is an apocalyptic number.

16425631355 is a deficient number, since it is larger than the sum of its proper divisors (7653730693).

16425631355 is a wasteful number, since it uses less digits than its factorization.

16425631355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497747.

The product of its digits is 324000, while the sum is 41.

The spelling of 16425631355 in words is "sixteen billion, four hundred twenty-five million, six hundred thirty-one thousand, three hundred fifty-five".