161262612153461 has 16 divisors (see below), whose sum is σ = 198995278024704. Its totient is φ = 127259256985344.

The previous prime is 161262612153397. The next prime is 161262612153481. The reversal of 161262612153461 is 164351216262161.

It is a cyclic number.

It is not a de Polignac number, because 161262612153461 - 2⁶ = 161262612153397 is a prime.

It is a super-3 number, since 3×161262612153461³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (161262612153481) 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, 2313433316 + ... + 2313503021.

It is an arithmetic number, because the mean of its divisors is an integer number (12437204876544).

Almost surely, 2^{161262612153461} is an apocalyptic number.

It is an amenable number.

161262612153461 is a deficient number, since it is larger than the sum of its proper divisors (37732665871243).

161262612153461 is a wasteful number, since it uses less digits than its factorization.

161262612153461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626936740.

The product of its digits is 622080, while the sum is 47.

The spelling of 161262612153461 in words is "one hundred sixty-one trillion, two hundred sixty-two billion, six hundred twelve million, one hundred fifty-three thousand, four hundred sixty-one".