1057217190738 has 64 divisors (see below), whose sum is σ = 2281724691840. Its totient is φ = 325378944000.

The previous prime is 1057217190709. The next prime is 1057217190767. The reversal of 1057217190738 is 8370917127501.

1057217190738 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1057217190709) and next prime (1057217190767).

It is a super-2 number, since 2×1057217190738² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 652173 + ... + 1593663.

It is an arithmetic number, because the mean of its divisors is an integer number (35651948310).

Almost surely, 2^{1057217190738} is an apocalyptic number.

1057217190738 is an abundant number, since it is smaller than the sum of its proper divisors (1224507501102).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1057217190738 is a wasteful number, since it uses less digits than its factorization.

1057217190738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941723.

The product of its (nonzero) digits is 740880, while the sum is 51.

The spelling of 1057217190738 in words is "one trillion, fifty-seven billion, two hundred seventeen million, one hundred ninety thousand, seven hundred thirty-eight".