16161540076 has 36 divisors (see below), whose sum is σ = 32775568056. Its totient is φ = 6914022400.

The previous prime is 16161540047. The next prime is 16161540077. The reversal of 16161540076 is 67004516161.

It is a super-2 number, since 2×16161540076² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (16161540077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622765 + ... + 648196.

It is an arithmetic number, because the mean of its divisors is an integer number (910432446).

Almost surely, 2^16161540076 is an apocalyptic number.

It is an amenable number.

16161540076 is an abundant number, since it is smaller than the sum of its proper divisors (16614027980).

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

16161540076 is a wasteful number, since it uses less digits than its factorization.

16161540076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271010 (or 1270991 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 37.

The spelling of 16161540076 in words is "sixteen billion, one hundred sixty-one million, five hundred forty thousand, seventy-six".