161606106651470 has 32 divisors (see below), whose sum is σ = 313274185549920. Its totient is φ = 59668620704640.

The previous prime is 161606106651467. The next prime is 161606106651541. The reversal of 161606106651470 is 74156601606161.

It is a super-2 number, since 2×161606106651470² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7935860 + ... + 19651719.

It is an arithmetic number, because the mean of its divisors is an integer number (9789818298435).

Almost surely, 2^{161606106651470} is an apocalyptic number.

161606106651470 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

161606106651470 is a deficient number, since it is larger than the sum of its proper divisors (151668078898450).

161606106651470 is a wasteful number, since it uses less digits than its factorization.

161606106651470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27632660.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 161606106651470 in words is "one hundred sixty-one trillion, six hundred six billion, one hundred six million, six hundred fifty-one thousand, four hundred seventy".