16377473746 has 8 divisors (see below), whose sum is σ = 25413321420. Its totient is φ = 7906366608.

The previous prime is 16377473743. The next prime is 16377473747. The reversal of 16377473746 is 64737477361.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14446838025 + 1930635721 = 120195^2 + 43939^2 .

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

It is not an unprimeable number, because it can be changed into a prime (16377473743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141185061 + ... + 141185176.

Almost surely, 2^16377473746 is an apocalyptic number.

16377473746 is a deficient number, since it is larger than the sum of its proper divisors (9035847674).

16377473746 is a wasteful number, since it uses less digits than its factorization.

16377473746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282370268.

The product of its digits is 12446784, while the sum is 55.

The spelling of 16377473746 in words is "sixteen billion, three hundred seventy-seven million, four hundred seventy-three thousand, seven hundred forty-six".