1610961970 has 16 divisors (see below), whose sum is σ = 2900214720. Its totient is φ = 644277424.

The previous prime is 1610961967. The next prime is 1610961971. The reversal of 1610961970 is 791690161.

It is not an unprimeable number, because it can be changed into a prime (1610961971) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81699 + ... + 99481.

It is an arithmetic number, because the mean of its divisors is an integer number (181263420).

Almost surely, 2^1610961970 is an apocalyptic number.

1610961970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1610961970 is a deficient number, since it is larger than the sum of its proper divisors (1289252750).

1610961970 is a wasteful number, since it uses less digits than its factorization.

1610961970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849.

The product of its (nonzero) digits is 20412, while the sum is 40.

The square root of 1610961970 is about 40136.7907287067. The cubic root of 1610961970 is about 1172.2721012229.

The spelling of 1610961970 in words is "one billion, six hundred ten million, nine hundred sixty-one thousand, nine hundred seventy".