161476928691 has 16 divisors (see below), whose sum is σ = 231881986560. Its totient is φ = 99362841120.

The previous prime is 161476928689. The next prime is 161476928693. The reversal of 161476928691 is 196829674161.

It is an interprime number because it is at equal distance from previous prime (161476928689) and next prime (161476928693).

It is not a de Polignac number, because 161476928691 - 2¹ = 161476928689 is a prime.

It is not an unprimeable number, because it can be changed into a prime (161476928693) 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, 383740 + ... + 685718.

It is an arithmetic number, because the mean of its divisors is an integer number (14492624160).

Almost surely, 2^161476928691 is an apocalyptic number.

161476928691 is a deficient number, since it is larger than the sum of its proper divisors (70405057869).

161476928691 is a wasteful number, since it uses less digits than its factorization.

161476928691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315706.

The product of its digits is 7838208, while the sum is 60.

The spelling of 161476928691 in words is "one hundred sixty-one billion, four hundred seventy-six million, nine hundred twenty-eight thousand, six hundred ninety-one".