161476155401 has 24 divisors (see below), whose sum is σ = 179494446432. Its totient is φ = 145141920000.

The previous prime is 161476155383. The next prime is 161476155431. The reversal of 161476155401 is 104551674161.

It is not a de Polignac number, because 161476155401 - 2¹⁰ = 161476154377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (161476155431) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13174526 + ... + 13186776.

It is an arithmetic number, because the mean of its divisors is an integer number (7478935268).

Almost surely, 2^161476155401 is an apocalyptic number.

161476155401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

161476155401 is a deficient number, since it is larger than the sum of its proper divisors (18018291031).

161476155401 is a wasteful number, since it uses less digits than its factorization.

161476155401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13493 (or 13482 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 161476155401 in words is "one hundred sixty-one billion, four hundred seventy-six million, one hundred fifty-five thousand, four hundred one".