16040777670 has 48 divisors (see below), whose sum is σ = 42095823120. Its totient is φ = 4237561152.

The previous prime is 16040777617. The next prime is 16040777689. The reversal of 16040777670 is 7677704061.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 823225 + ... + 842484.

It is an arithmetic number, because the mean of its divisors is an integer number (876996315).

Almost surely, 2^16040777670 is an apocalyptic number.

16040777670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

16040777670 is an abundant number, since it is smaller than the sum of its proper divisors (26055045450).

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

16040777670 is a wasteful number, since it uses less digits than its factorization.

16040777670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665829 (or 1665826 counting only the distinct ones).

The product of its (nonzero) digits is 345744, while the sum is 45.

The spelling of 16040777670 in words is "sixteen billion, forty million, seven hundred seventy-seven thousand, six hundred seventy".